Listed in order of last name.
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |

Pär Almhem

Pär Almhem

Pär Almhem is the Co-Founder and President of ModWave, a solutions provider to the Pharmaceutical, Biopharmaceutical, Nutraceutical and other Life Science industries.  ModWave has partnered with world-class suppliers to these industries for process and modular solutions. ModWave’s partners include KeyPlants of Sweden, Lödige and Hecht of Germany, and Telstar of Spain.

Prior to his current engagements, Mr. Almhem was President of Pharmadule, Inc., the U.S. entity of Pharmadule AB of Sweden who was the pioneer supplier of high-tech modular production facilities to the Pharmaceutical and Biotech industries.

Almhem holds a Master of Science Degree in Applied Physics and Electrical Engineering from Linköping University, Sweden. He has held management positions at ABB and Saab Aerospace in Sweden before moving to California in 1997.

Vijay Argawal
Professor, Industrial Tribology, Machine Dynamics & Maintenance Engineering Centre

Prof Vijay Agarwal is a member of the faculty at the Indian Institute of Technology Delhi. He has a total of 32 years of experience in teaching, research and industrial consultancy. His major specialization is in Bulk Materials Handling; especially pneumatic conveying of bulk materials and associated problems like bend erosion, degradation etc.
He has carried out a number of sponsored research projects and has undertaken large number of consultancy assignments for industries like NTPC, BHEL, NALCO, Reliance Power, HINDALCO etc. Vijay has supervised several students for their doctoral and Master’s research. He has published more than 50 research papers in International journals and peer reviewed conferences.

Vijay is a co-author of two books on Pneumatic Conveying Technology published by Trans Tech, Germany and Marcel Dekker, USA. He was invited as a foreign researcher by the Kyushu Institute of Technology, Japan, SINTEF, Norway and The University of Newcastle, Australia. He was also invited to be the Chairman of the “Handling & Transportation Task Force” in the Technology Mission on “Utilization and safe Disposal of Fly Ash” set up by the Government of India. Vijay has varied administrative experience and was the Associate Dean of the Industrial Research and Development (IRD) and Associate Dean (Infrastructure) at IIT Delhi.


Dr. Rahul Bharadwaj
Senior R&D Engineer

Dr. Rahul Bharadwaj is a Senior R&D Engineer at Jenike & Johanson Inc, Tyngsboro, Massachusetts.  Dr. Bharadwaj has nearly a decade of experience in the development, validation and application of computational tools such as Discrete Element Modeling (DEM), Computational Fluid Dynamics and Finite Element Analyses for industries such as pharmaceutical, chemical, agriculture, mining, oil & gas etc.  He received his M.S. in Mechanical Engineering from the University of Kentucky (2003) and a Ph. D. in Mechanical Engineering from Purdue University (2006).  He was previously a Senior Scientist at Pfizer Global R&D where he was responsible for the development of computational models of pharmaceutical processes.  He is also an active member of American Association of Pharamaceutical Scientists (AAPS) and is the chair of its Process Modeling and Simulation Focus Group.
Dr. Rahul Bharadwaj is a Senior R&D Engineer at Jenike & Johanson Inc, Tyngsboro, Massachusetts.  Dr. Bharadwaj has nearly a decade of experience in the development, validation and application of computational tools such as Discrete Element Modeling (DEM), Computational Fluid Dynamics and Finite Element Analyses for industries such as pharmaceutical, chemical, agriculture, mining, oil & gas etc.  He received his M.S. in Mechanical Engineering from the University of Kentucky (2003) and a Ph. D. in Mechanical Engineering from Purdue University (2006).  He was previously a Senior Scientist at Pfizer Global R&D where he was responsible for the development of computational models of pharmaceutical processes.  He is also an active member of American Association of Pharamaceutical Scientists (AAPS) and is the chair of its Process Modeling and Simulation Focus Group.


Tim Boland
Research Associate

Jeff Chambers

Jeff Chambers, PE, PMP
Senior Engineering Capital Project Manager & Engineering Leadership

Jeff Chambers is an engineering project manager with expertise in system integration and capital projects for process manufacturing industries. Jeff works with Rodem Process Equipment as a Senior Project Manager/Process Engineer in the Atlanta, Georgia office. He serves the dairy, food, beverage, personal care, consumer products, pharmaceutical, life sciences, bioprocess, and other high purity industries.
Both a registered Professional Engineer and certified Project Management Professional, his background includes roles in process engineering, design, industrial construction, and leading multi-discipline teams. In addition to the current industry focus, Jeff’s other process industry experience includes chemicals, agribusiness, biomass and renewable materials, and hazardous waste. This has encompassed solutions for both solid and liquid processes, over a wide range of project sizes.
Jeff was raised in Memphis, Tennessee, and earned his Chemical-Mechanical Engineering degree from the University of Memphis.

Guy Colonna

Guy Colonna
P.E., Division Manager


Guy Colonna is the Division Manager, managing the Industrial and Chemical Engineering department for the National Fire Protection Association.

He has been with NFPA for 27 years and holds engineering degrees from the US Coast Guard Academy and Stanford University.  He is also a registered professional engineer in chemical engineering in Massachusetts.

His responsibilities at NFPA include management of the Marine Chemist Training and Certification Program and NFPA activities dealing with marine fire protection.  He has also served as Staff Liaison to committees dealing with safeguards at dust hazard process locations, explosives, industrial fire brigades, explosion protection systems including venting of deflagrations, chemical classification, and pyrotechnics and special effects.

He developed and instructs NFPA's confined space safety training courses offered to both the maritime and general industry and combustible dust and explosion protection seminars.  He has previously served as the Executive Secretary to the Industrial Fire Protection Section of the NFPA.  He has served on Department of Transportation and Department of Labor-OSHA advisory committees representing NFPA.

Before starting work with NFPA, Guy served as an officer in the US Coast Guard.  His assignments included service aboard ship, in research and development and in the Coast Guard's Eighth District (Gulf Coast).  He developed a service-wide confined space safety program and an occupational safety and health program for Coast Guard marine safety personnel in the Eighth District.

He is the author of technical papers and presentations on confined space safe practices, hot work safe practices, chemical hazard identification and classification, combustible dusts fire and explosion hazard protection, and pyrotechnics and special effects.  He is the editor of the NFPA Guide to Combustible Dusts.

He is a member of the American Institute of Chemical Engineers, American Chemical Society, Society of Fire Protection Engineers, and American Society of Safety Engineers.

Scott Davis

Scott Davis
President - Principal Engineer

Dr. Scott Davis is the President at GexCon US and specializes in the engineering analysis and testing of combustion, thermal, and fluid processes.  Dr. Davis received his Ph.D. and M.S. degree in Mechanical and Aerospace Engineering from Princeton University.

Dr. Davis is responsible for fire and explosion related activities, which include post-incident investigative work, worldwide training and experimentation, as well as performing risk assessments and safety studies for offshore and floating oil & gas installations, powder handling facilities, and various other industries. These studies include explosion risk assessment, blast and venting analyses, assessment of combustible dust explosions, toxic/flammable gas releases and dispersion, hydrogen safety, ventilation, detector placement, and carbon monoxide dispersion.  He has investigated hundreds of fire and explosions, and currently serves as a principal on NFPA technical committees for Combustible Dusts and for Combustible Metals and Metal Dusts.

A. J. DeCenso

A.J. DeCenso
Business Development Manager

A.J. DeCenso is President of Preferred Process Solutions, LLC. In 2007, he managed M-I’s acquisition of ECUTEC. A.J. has over 20 years of experience in particle processing with companies including Sweco and Rotex. He has published numerous papers, conducted seminars throughout the world and holds multiple patents. A.J. has a BSME from Tufts University and an MBA from Xavier Univeristy.


Shrikant Dhodapkar

Shrikant Dhodapkar
Adjunct Professor, Process Fundamentals, UNIVERSITY OF PITTSBURGH

Shrikant is currently a Fellow in Process Fundamentals group in Performance Plastics Process R&D. He is an internationally recognized expert in the field of solids processing and bulk solids handling. He has been with Dow for 22 years and has worked closely with the Elastomers business for the past 15 years to develop, design and implement technologies related to material handling. He has extensive industrial experience in powder characterization, fluidization, pneumatic conveying, silo design, gas-solid separation, mixing, coating, computer modeling and scale-up.

Shrikant received his B.Tech. in Chemical Engineering from Indian Institute of Technology -Delhi and M.S. & Ph.D. in Chemical Engineering from the University of Pittsburgh, PA. He is a senior member of AIChE and past chair of the Particle Technology Forum. He has authored or co-authored over 35 external publications and 4 chapters in handbooks. He is also an adjunct professor of chemical engineering at the University of Pittsburgh.

Tim Donohue
Engineering Manager for Modeling & Simulation

Tim Donohue’s primary consulting expertise is in the field of materials handling, in particularly conveyor belt transfer chutes. Since joining TUNRA Bulk Solids in 2007, Tim have been involved in 50+ transfer chute projects, including both design reviews as well as conceptual designs, in Australia and Internationally, and involving a wide range of products. Typically, these design reviews or conceptual designs require the use of both a 2D continuum method and as well as the Discrete Element Method (DEM). The calibration and validation of DEM and its application to industrial projects is an ongoing research challenge that is a current focus in order to advance industry.


Nancy C. Easterbrook
Gas Applications Manager for Chemical Process Industries

Nancy C. Easterbrook is the Gas Applications Manager for Chemical Process Industries, at AIR PRODUCTS AND CHEMICALS INC.  Nancy joined Air Products in 1988, with assignments in research, manufacturing, marketing, commercial development, new business development, and applications development. Currently, Nancy leads a group of engineers and scientists who develop and implement applications utilizing gaseous or cryogenic solutions to Air products customers.    Cryogenic size reduction is one example of a gas application.  The group is also involved with handling and supply chain concerns regarding  merchant gases and also  for customer chemicals when nitrogen inerting is part of the handling regime.  Nancy is a Chemical Engineer from Rensselaer Polytechnic Institute. 

Vahid Ebadat, Ph.D.
Chief Executive Officer

Dr Vahid Ebadat Ph.D., M.Inst.P, MIEE, C.Eng., C.Phys. is the CEO of Chilworth North America.  He has worked extensively as a process and operational hazards consultant for the chemical, pharmaceutical and food industries. Dr. Ebadat is a regular speaker at training courses on gas and vapor flammability, dust explosions, and controlling electrostatic hazards.  He is a member of NFPA 77 Technical Committee on Static Electricity, NFPA 654 Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particular Solids and ASTM E27 Committee on Hazard Potential of Chemicals. Dr. Ebadat's research has culminated in the publication of numerous technical articles and papers.

Steve Frankel

Steve Frankel
Professor, Faculty of Mechanical Engineering, Technion

Prof. Steven H. Frankel received his BS in Aerospace Engineering from the Mechanical and Aerospace Engineering Department at the State University of New York at Buffalo in 1988.  That summer he worked as an intern at the von Karman Institute of Fluid Dynamics, Brussels, Belgium in the area of turbulence modeling in CFD.  He joined the Mechanical and Aerospace Engineering Department at North Carolina State University in August of 1988 as part of the hypersonic aerodynamics research program.  He did his MS thesis work in supersonic combustion modeling under the direction of Dr. Hassan Hassan attending NASA Langley Research Center during the two summers of his studies.  He returned to SUNY at Buffalo in August 1990 as a research lecturer carrying out his Ph.D. research under Dr. Peyman Givi in the area of direct numerical and large eddy simulation of turbulent reacting flows while teaching one class per semester in the areas of scientific computing, numerical methods, and CFD.  He graduated in May 1993 and joined Purdue Universities School of Mechanical Engineering as an Assistant Professor in August 1993 where he continued his research in subgrid-scale modeling for large eddy simulation of turbulent combustion.  He was promoted to Associated Professor in 1999 and began to expan his research interests into multiphase and biological flows.  He was promoted to Full Professor in 2004 where he remained until August 2013 at which point he took a leave of absence and is now working in the Faculty of Mechanical Engineering at the Technion - Israel Institute of Technology, Haifa, Israel.


David Grandaw

David Grandaw
Vice President of Sales

David is the Vice President, Sales for IEP Technologies., part of the largest industrial explosion protection group in the world.  David has been with the Fenwal - IEP group since 1986, first as a field engineer, then as a system design engineer.  From 1990 - 2012 he had served as their Midwest Regional Manager, covering central USA and Canada.  David has been a Technical Committee member of NFPA 30B (Aerosol Products) since 1991, and is an alternate on NFPA 652 (Fundamentals of Combustible Dust).  He has a degree in Fire Protection Engineering Technology from Northeast Wisconsin Technical College. 

Xiaoyi He, Ph.D.
Research Associate, Computational Modeling Center

Xiaoyi He graduated from Georgia Institute of Technology with Ph.D in 1993. He worked in the Los Alamos National Laboratory for seven years before joining the Air Products and Chemicals, Inc in 2001. In Air Products, he is leading a CFD team to provide simulation supports cross the company. His research includes studies on biomass inerting, combustion, and other transport phenomena. Dr. He has worked in the field of Computational Fluid Dynamics for 25 years. He has 49 scientific publications in peer-review journals and holds 7 US patents.

Jack Hilbert

Jack Hilbert
Principal Consultant

Jack is currently Principal Consultant at Pneumatic Conveying Consultants, LLC in Schnecksville, PA.  He joined Pneumatic Conveying Consultants in 2004 as a staff consultant and in 2010, became the Principal Consultant.
He has 40 years experience in the field of solids handling, focusing primarily in the areas of pneumatic conveying and dust collection.  The industries in which Jack spends the majority of his time include Plastics and Petrochemical, Food, Power Generation, Tire/technical Rubber, Cement and Minerals.
Jack is a registered professional engineer in PA, NY and NJ and has a Bachelor of Science and Master of Engineering Science degree from Penn State University.
Jack has worked for global suppliers of pneumatic conveying and environmental control equipment in capacities ranging from field service, engineering, sales, marketing and senior administrative positions.
Jack is a frequent contributor to many of the industry trade journals and technical conferences having presented papers, technical seminars and webinars on a regular basis.

Joe Howicz

Joseph Howicz
CSP, CFPS, Occupational Safety & Fire Protection Expert (Former OSHA Senior Compliance Officer)

Joe Howicz is an occupational safety and fire protection expert. For many years, he worked as a senior compliance officer and investigator for the Occupational Safety and Health Administration (OSHA). For the majority of his career, he served as Senior Instructor and Chairman of Process Safety Management and Hazardous Materials Courses at the OSHA National Training Institute.

For the last several years, Mr. Howicz has provided consultation services on combustible dust and flammability hazards and mitigation through Accident Prevention Corporation of Woodstock, Illinois. He has developed and presented numerous courses and seminars on combustible dust, process safety management and hazardous materials.

Mr. Howicz is a Certified Safety Professional and Certified Fire Protection Specialist. He is a member of the American Society of Safety Engineers and the National Fire Protection Association. He graduated from Northern Illinois University with a Bachelor of Science in Education degree and from the University of Illinois with a Master of Public Health degree in Environmental and Occupational Health Sciences.

Contact Joe at 847-609-9956 and .

Karl Jacob
Research Scientist, Technical Leader in Engineering Sciences

Karl Jacob is a Fellow in Engineering & Process Sciences at The Dow Chemical Company.  He is founder of the Solids Processing Lab at Dow and for the last 30+ years has worked on a vast array of particle technology problems, with particular expertise in silo/hopper design, powder mechanics, pneumatic conveying, particle engineering and drying.  He is past chair of the Particle Technology Forum and recently finished a three year term on the Board of Directors for AIChE.  Case Western Reserve University. 

Gary Johnson

Gary Q. Johnson
Chemical Engineer & Consultant

Gary helps clients find equipment and procedural solutions for workplace exposures.  He has a Bachelor of Chemical Engineering from Ohio State University and an MBA from the University of Scranton and is a Professional Engineer registered in Ohio.  Working as a Dust Collection and Combustible Dust consultant for the last 11 years, since leaving a 27 year Health, Safety, & Environment career at Procter & Gamble, he has helped clients solve dust collection system and combustible dust problems in process industries such as paper, pharmaceuticals, bar soap, plastics compounding, plastic film, auto parts, metal fabrication, wood products, tree resins, combustible metal dusts, powder coating, and paint and coatings industries. 

He has also been active in technical training and as a member of technical committees.  He routinely presents dust collection and combustible dust webinars and conference topics for Powder and Bulk Solids and Powder & Bulk Engineering.   He teaches industrial ventilation courses for the North Carolina Industrial Ventilation Conference and is the course director for Industrial Ventilation for the University of North Carolina Industrial Hygiene Institutes.  He has also conducted in-house ventilation and combustible dust courses for Indiana University of Pennsylvania, Oklahoma State University, and several industrial clients.  In addition, he is a combustible dust and industrial ventilation trainer for the OSHA Training Institute. He has published articles in several trade and technical publications which are available at

Mark Jones

Mark Jones
Director of TUNRA, Australia
Bulk Solids Handling Research, Professor of Engineering & Built Environment, UNIVERSITY OF NEWCASTLE, Australia

Professor Mark Jones is Head of the School of Engineering, Director of TUNRA Bulk Solids Handling Research Associates and has held the Chair in Bulk Solids Handling at the University of Newcastle since 1999.  His research interests span the broad area of Bulk Materials Handling and he is currently the President of the International Freight Pipeline Society.  He has worked with many multi-national companies in the US, Europe, South America, India, China, Russia and South Africa. 

André Katterfeld

André Katterfeld
Professor, Institute of Logistics & Material Handling Systems

Prof. André Katterfeld received his Ph.D. in mechanical engineering with his work on the "Functional Analysis of Tube Chain Conveyors" from the Otto-von-Guericke-Universität Magdeburg, Germany in 2005. In 2009 he was appointed Associate Professor for Continuous Conveying Technology at the Institute for Logistics and Material Handling Systems of the same University. Since 2011 Prof. Katterfeld is a Conjoint Associate Professor at the University of Newcastle, Australia.

Since 2003 the application of numerical methods like the Discrete Element Method (DEM) in bulk material handling is his main research focus. Pioneering work was done in the field of the calibration of DEM parameters and the validation of DEM simulation results.

Beside the academic research work Prof. Katterfeld has significant experience in the direct application of DEM simulations to industrial problems. His consulting company CeParTec was founded in 2006 and merged in 2012 with the IBAF GmbH, the leading German consulting company in the fields of construction machinery, drive systems and materials handling.


Mark Knezovich

Mark Knezovich
M.S. Industrial Hygienist
OSHA - Region V Enforcement Programs, Chicago, IL

Mark Knezovich is an Industrial Hygienist with OSHA Region V - Enforcement Programs in Chicago, IL.  Mark joined OSHA in 2005 and worked in the Eau Claire, WI Area Office as a Compliance Safety and Health Officer (Industrial Hygienist) prior to joining the OSHA Region V Regional Office in 2011.  Mark has been involved with combustible dust enforcement  within Region V since the launch of OSHA’s Combustible Dust National Emphasis Program in 2008.   Mark has both B.S. and M.S. degrees from Purdue University’s School of Health Sciences in Industrial Hygiene.

Jason Krbec
Engineering Manager

Richard LaRoche

Richard LaRoche
Vice President of Engineering & US General Manager

Dr. Richard LaRoche is the VP of Engineering & US General Manager of DEM Solutions. He has over 25 years experience as an expert consultant in engineering simulation and in management of technical support, engineering consulting services and software development teams. Richard served as a fluid flow and mixing specialist with DuPont Engineering and has held engineering positions at Dow Chemical and Shell. He has held positions in engineering computing technology with ANSYS, Fluent and Cray Research. He is a former Penn State professor of Chemical Engineering and holds Ph.D. and M.S. degrees in Chemical Engineering from the University of Illinois at Urbana-Champaign and a B.S. degree in Chemical Engineering from Montana State University.

Johannes Lotterman

Dr.-Ing. Johannes Lotterman
Head of Projects and Expansion
REMBE INC., Germany

Senior Consultant Explosion Protection; Head of Projects and Expansion Department, REMBE® GmbH.  Johannes has spent most of his life studying, researching and developing new concepts and approaches to combustible dust explosion protection.  In addition to his doctoral thesis, “Approaches to Integrated Fire and Explosion Safety…”, Johannes has worked for notified bodies charged with certifying compliance with ATEX certifying requirements in Europe, governmental regulatory bodies equivalent to OSHA, standards associations equivalent to NFPA,  as well as conducting risk analyses in manufacturing facilities. 


Joe Marinelli

Joseph Marinelli, President of Solids Handling Technologies, Inc. in Fort Mill, SC is a bulk materials handling expert who has taught hundreds of  highly acclaimed engineering seminars.  Since 1972, he has been active in testing bulk solids and consulting on materials handling systems design.  With Jenike & Johanson, Inc., world-renowned experts on solids handling, Mr. Marinelli received his Bachelor of Science degree in Mechanical Engineering, from Northeastern University in Boston, MA.

He lectures frequently, teaching courses on solids flow principles and flow property testing, and has authored several papers and an encyclopedia section on the subject.  Since 1997, he has been involved with very popular seminars at the University of Wisconsin in the areas of bin and feeder design and solids flow property testing.  He is also a columnist (“Powder Perspectives”) for the website, 

Eric Maynard

Eric Maynard
Senior Consultant

Eric Maynard is the Director of Education and a Senior Consultant for Jenike & Johanson, a world-renowned engineering consulting firm specializing in the storage, flow and processing of powder and bulk solids. During his 18 years at Jenike & Johanson, he has designed handling systems for bulk solids including cement, coal, limestone, plastic powder, fertilizers, food products, and pharmaceuticals.
He has gained valuable hands-on experience from working on over 500 solids handling and pneumatic conveying projects, and specializes in the cement, mining, minerals, and power industries helping clients to reliably handle challenging bulk solids such as coal, clay, limestone, ores, and cement.
Mr. Maynard has specialized knowledge in the areas of dust explosions, static electricity generation, and crushing technologies. Eric’s working knowledge of the National Fire Protection Association (NFPA) standards for safe handling of combustible dusts helps him provide valuable advice to his clients to ensure safe handling of materials prone to explosions or fires.  His expertise also includes designing new pneumatic conveying systems and troubleshooting systems that are poorly operating and experiencing costly problems with abrasive wear, line blockages, throughput limitations, and particle attrition.
Eric has authored over 30 technical articles, with many published in periodicals including Chemical Engineering, Powder & Bulk Engineering, Chemical Engineering Progress, World Cement, and Global Cement magazines.
He is the company’s principal instructor for training on the storage, flow, and pneumatic conveying of bulk solids presented through the American Institute of Chemical Engineers (AIChE). Additional subject areas of expertise include stockpile and feeder design, mixing/blending, particle segregation, sampling, and caking of bulk materials.
Eric received his bachelor of science in mechanical engineering from Villanova University in Pennsylvania and his master of science in mechanical engineering from Worcester Polytechnic Institute in Massachusetts.

Don McGlinchey
Professor of Engineering & Built Environment

David Mills

David Mills
Pneumatic Conveying Consultant, United Kingdom

David Mills undertook a PhD on Pneumatic Conveying in 1973. In 1979 he was commissioned by the UK Department of Industry to produce a Design Guide for Pneumatic Conveying. He has supervised many PhD programs on Pneumatic Conveying in the UK and India. He was appointed Professor of Bulk Solids Handling at Glasgow Caledonian University in Scotland in 1988. Since 1997 he has been operating as an independent consultant. He has written four books on pneumatic conveying and published over 250 articles in technical journals and conferences, and has presented short courses and undertaken consultancy work on a worldwide basis. He is currently a Conjoint Professor at the University of Newcastle in Australia and an Adjunct Professor at the University of the Witwatersrand in South Africa. He has had much experience in litigation work, and has been associated with the ‘Powder Show’ since it first started in 1976.

Stephen Miranda

Stephen Miranda
Sales Director North America, Grinding & Dispersion

Stephen (Steve) Miranda, Sales Director, NETZSCH Premier Technologies, LLC, Grinding and Dispersing Business Unit for North America, Exton, PA, holds a BS in Biology from Fairleigh Dickinson University, Rutherford, NJ. He has more than 35 years’ experience in material processing including jet milling and classification, processing abrasive materials, dry powder processing and process development and improvement. Steve joined the NETZSCH group of globally operating companies in January 2001 as Manager of Business Development for the US market. From 2004–2010, he served as Director of Sales at NETZSCH-CONDUX in Hanau, Germany, where he was responsible for international sales and marketing. In 2010, Steve was appointed to his current role where he is responsible for North American sales and marketing strategies, 5 regional sales offices, 2 inside sales engineers and approximately 20 independent sales representatives. Steve also oversees the Customer Service Laboratory and Testing Facility. Prior to joining NETZSCH, Steve served as Manufacturing Manager and Plant Engineer at Synfax Manufacturing for 13 years, and as Manager of the Chemical and Plastics Division for North and South America Hosokawa Micron Powder Systems for 12 years.

Tim Norman
Senior Global Product Manager

Russell Ogle

Russell A. Ogle, Ph.D
CSP, Principal Engineer

Dr. Russell Ogle is a Principal Engineer in Exponent’s Thermal Sciences practice. Dr. Ogle applies his expertise as a chemical engineer to the scientific investigation and prevention of accidents, with particular emphasis on fires, explosions, and chemical releases. He specializes in the investigation of complex industrial accidents and catastrophic fires and explosions. Drawing from his diverse accident investigation experience, he has provided consulting services to the chemical, petroleum, natural gas, pharmaceutical, and environmental industries. He is experienced in process hazard analysis, consequence assessment, risk assessment, and decision analysis.

In addition to his work in process safety, Dr. Ogle regularly consults with clients on process systems engineering, particularly in the areas of plant performance and process operations. He has extensive experience in evaluating the performance of chemical process plants including the analysis of process flowsheets and production data, the determination of plant capacity, the identification of production bottlenecks, and the investigation of product quality issues.

He received his B.S in Chemical Engineering from Purdue University and a Ph.D. in Chemical Engineering from the University of Iowa. He has 28 years of industrial experience. Dr. Ogle is a licensed professional engineer and a certified safety professional.

George Petroka
Director of BioPharma/ EHS Services

Stewart Rissley
Midwest & Canada Regional Manager

Alan Roberts

Alan Roberts
Professor Emeritus, UNIVERSITY OF NEWCASTLE, Australia
Founding Director, TUNRA BULK & SOLIDS, Australia

Alan Roberts is an Emeritus Professor of the University of Newcastle Australia.  He has a PhD plus two honorary doctorates and is the recipient of a number of prestigious awards for his contributions to engineering education and to the advancements in the science and technology of bulk solids handling. These include the Trinity Solids Handling Award of the Institution of Mechanical Engineers UK, Lifetime Achievement Award of the British Materials Handling Board, Peter Nicol Russell Memorial Medal, the highest award of the Institution of Engineers Australia.  He is Member of the Order of Australia, AM, an Honorary Fellow of the Institution of Engineers Australia, Member of the Institution of Mechanical Engineers UK and a Fellow of the Australian Academy of Technological Sciences and Engineering. He has been involved in research and consulting in the field of bulk solids handling for over 50 years.  He is the Founding Director of TUNRA Bulk Solids Handling Research Associates which he established in 1975 at the University of Newcastle, Australia.  This group has completed some 4000 projects for approximately 1500 companies in Australia and 40 other countries worldwide; it is now averaging around 240 projects per year. He has authored and co-authored 5 design manuals and over 500 research papers.


Joe Roettle

Joe Roettle
Global Sales Manager, Barcelona

Joe Roettle is ECUTEC’s Global Sales Manager. Before joinging ECUTEC, Joe was Chief Engineer for a calcium carbonate producer in Western Canada. Joe has held sales and engineering positions for other firms including Hosokawa Alpine. In addition to over 15 year of industry experience, Joe has an advanced degree in Mechanical Engineering with specialization in Processing Technology.


Ryan Sausser
Senior Process Engineer

Derek Seelig
Process Development Engineer

Michael Serpe

Michael Serpe
CSP, President

Michael Serpe, CSP is the President of SafetyFirstna, Inc. an environmental, safety and health consultancy firm based in Chicago, IL. Mr. Serpe has over 20 years of experience in helping companies comply with OSHA, EPA and DOT regulations.  He designs and delivers customized safety training programs, policies and procedures.  He helps companies develop and maintain value-based safety cultures, where employees are taught to embrace safety as a core value.  Mr. Serpe is a recognized expert and trainer regarding combustible dust hazards.

Previously Mr. Serpe was the Director of Training and Audits at Accident Prevention Corporation for many years. Mr. Serpe has achieved the designation of Certified Safety Professional. He is the Chairperson of ANSI A10.44 Subgroup Standard for the Control of Hazardous Energy (Lockout/Tagout) in construction. He is a member of the American Society of Safety Engineers and the American Society for Testing and Materials.

Clients include some of the most prestigious companies and entities in America including OSHA, Argonne National Laboratories, United Airlines, ABM, ALDI Foods, Nebraska Public Power, Northern Indiana Public Utility, Turner Construction, Sage Products, Illinois Tool Works, A. Finkl & Sons among many others.

Mr. Serpe is an authorized OSHA trainer for construction and general industry.  He is an instructor and adjunct faculty member of The OSHA National Safety Education Center, NIU; where he instructs OSHA Train-the-Trainer Courses and specialized OSHA course topics.  He is also an adjunct faculty member at the OSHA Rocky Mountain Education Center and Mid-America OSHA Education Center; Waubonsee Community College and McHenry County College. He holds a Bachelor of Science Degree from the University of Illinois in Engineering.

Contact Mike at 773-447-3982 and .

Jef Snoeys

Jef Snoeys
Director of Explosion Protection Technology Group

Jef Snoeys has been with Fike Corporation since 1993 and is currently the Director of the Explosion Protection Technology Group. Based out of Fike’s European office in Herentals, Belgium, Jef is an active working member of European Standardization Committee CEN TC 305, and an active participant on multiple other committees such as NFPA 68 and 69. He has coordinated research activities and equipment qualification tests at several international test sites, conducted many training courses and has lectured extensively on the subject of dust explosion protection.

Paul Solt
Principal Consultant

Paul E. Solt is a consultant at Pneumatic Conveying Consultants and specializes in pneumatic conveying topics. Solt has a BS in mechanical engineering from Lehigh University, Bethlehem, Pa., holds several patents for pneumatic conveying devices, and has more than 65 years of experience installing and troubleshooting pneumatic conveying systems. 

His first 35 years were spent in Research of pneumatic conveying theory and design after which he served as a consultant. He has presented many schools for industry and universities.

Bill Stevenson
Vice President of Engineering

Amy Theis, P.E.

Amy Theis, P.E.

Amy Theis, P.E., has a strong background in hazard identification and quantification for reactive chemical hazards as well as combustible dusts. In her current role, she is responsible for coordinating all on-site safety consulting projects for a variety of safety hazards such as combustible dust, flammability, chemical process safety and reactive chemicals. Her areas of expertise include facilitating and supporting process hazard analyses (PHAs), performing combustible dust hazard assessments according to relevant NFPA standards and providing risk reduction strategies tailored for each specific customer’s needs.

In her previous position as Manager of Chemical Testing, Amy designed and coordinated adiabatic testing services to evaluate thermal stability concerns and determine emergency relief device requirements. Her responsibilities included pressure relief system design and emergency relief discharge containment and mitigation for reactive chemical systems based on DIERS two-phase flow methodology.


Ian Treviranus

Ian Treviranus
Product Line Manager

Ian Treviranus is product line manager at HORIBA Scientific. He works with particle characterization applications and technologies. He helped develop HORIBA’s particle size user training programs and enjoys presenting via webinar, seminar, and workshop. Prior to joining HORIBA, he earned a B.S. in Electrical Engineering from the University of Illinois. Prior to that he grew up in Crystal Lake, Illinois. He and his wife recently welcomed another baby boy to their family, so please excuse the dark circles under his eyes.

Mathias Trojosky

Dr.-Ing. Mathias Trojosky
Head of Drying Technology

Dr. – Ing. Mathias Trojosky began his studies in the field of Chemical and Plant Engineering at the Technical University of Magdeburg. 
In 1990, Dr. – Ing. Trojosky completed his doctoral thesis in the field of fluid bed drying. 
His doctoral thesis was entitled, "Heat and Mass Transfer in Liquid Sprayed Gas-Solid Fluidized Beds."
From 1991-1995, Trojosky was employed GEA-Group (Germany) in the field of drying technology.
In 1995, Trojosky joined the Allgaier-Group as Sales Director of Drying Technology.
Since 2004, Dr. – Ing. Mathias Trojosky has been Head of the Drying Technology Division at Allgaier.


Yutaka Tsuji
Professor Emeritus - Managing Director of Hosokawa Powder Technology Foundation, OSAKA UNIVERSITY, Japan
Chairman of APPIE, Japan

Dr. Yutaka Tsuji is a professor emeritus of Osaka University. He received the B.E.(1966) and M.E.(1968) degrees in Aeronautical Engineering at University of Osaka Prefecture and the D.E. (1974) degree in Mechanical Engineering at Osaka University. From 1970 to 2007, he worked in Osaka University as a research associate, associate professor and professor. From 2007 to 2012, he worked in the Hosokawa Powder Technology Foundation as the managing director. Since 2006 he is the chairperson of the international Liaison Committee of APPIE (the Association of Powder Process Industry and Engineering, Japan). His research field is measurement and numerical analysis of gas-particle multiphase flows.