MASSACHUSETTS, USA         Dr. John W. Carson, President John joined Jenike & Johanson in 1970. His organizational ability and vision have played a key role in developing Jenike & Johanson to its present position, and his technical ability and wide experience in the field of storage and flow of solids have been recognized worldwide. He has published more than 100 articles and lecturer on various topics dealing with solids flow, including bin and feeder design, flow of fine powders, design of purge vessels, and structural failures of silos. Besides being a founding member of AIChE's Powder Technology Forum, he belongs to ASME, ASCE, and ASTM International, where he is chair of committee D18.24,"Characterization and Handling of Powders and Bulk Solids." John received his Bachelor's degree from Northeastern University and a PhD from MIT, both in Mechanical Engineering.         T. Anthony Royal, Vice President of Technology Tony joined Jenike & Johanson in 1976. He has published many articles and has been awarded several U.S. patents in the field of bulk solids flow. He has developed test equipment and analytical tools that continue to maintain Jenike & Johanson at the forefront of technology. Tony received his Bachelor's degrees summa cum laude in Mathematics and Civil Engineering from Merrimack College. Tony continued his education with graduate studies in soil mechanics and mechanical engineering at MIT and Tufts University.         Herman Purutyan, CEO Herman joined Jenike & Johanson in 1991. He has designed reliable handling systems for a wide range of materials for food, pharmaceutical and chemical industries. He has published numerous papers on the storage and flow of bulk solids and has been awarded several U.S. patents. He lectures frequently on solids handling and pneumatic conveying, through the ASME/AIChE Continuing Education Program and to individual companies. He is a member of ASME Structures for Bulk Solids Committee, which is tasked with developing a new, comprehensive silo design standard. Herman received his Bachelor's and Master's degrees in Mechanical Engineering from Worcester Polytechnic Institute in Worcester, Massachusetts, and his MBA from Babson College in Wellesley, Massachusetts.         Roger A. Barnum, Senior Consultant Roger joined Jenike & Johanson in 1996. He is heavily involved in consulting, particularly within the glass and pharmaceutical industries, with projects ranging from portable bin design to solving solid dosage form content uniformity problems. He has published several papers and lectures frequently on the storage and flow of bulk solids. He is a member of the American Ceramic Society and the American Association of Pharmaceutical Scientists. Roger received his Bachelor's degree in Mechanical Engineering from Rensselaer Polytechnic Institute in Troy, New York.         Thomas J. Baxter, Senior Consultant Thomas joined Jenike & Johanson in 1997. He has worked on consulting projects in a variety of industries, with particular focus in the pharmaceutical, biotechnology, and chemical industries.He hasprovided corrective process and equipment recommendations to solve blend and content uniformity problems, designed portable bins and transfer chutes to provide reliable flow and minimize segregation, and assisted clients in strengthening their internal bulk solids characterization capabilities. Thomas received his Bachelor's degree and Master's degree in Engineering Mechanics from Virginia Polytechnic Institute & State University (Virginia Tech.) in Blacksburg, Virginia.         Eric P. Maynard, Senior Consultant Eric joined Jenike & Johanson in 1996. He has published over a dozen papers on the storage, flow, and pneumatic transport of bulk solids. He lectures frequently on solids handling and pneumatic conveying through the ASME/AIChE Continuing Education Program and to individual companies. He has designed hundreds of handling systems for bulk solids, with a special focus on the Cement Industry. Eric has particular interest in crushing technologies for the minerals industry, as well as in the field of dust explosions and powder electrostatics. He is a member of ASME, AIChE, and the National Fire Protection Association. Eric received his Bachelor's degree in Mechanical Engineering from Villanova University and a Master's degree in Mechanical Engineering from Worcester Polytechnic Institute.         Brian H. Pittenger, Senior Consultant Brian joined Jenike & Johanson in 1993. He has designed bulk solids storage and handling systems ranging from conditioning and purging silos for food, chemicals, and petrochemicals, to simple and accurate batch dosing systems in processing plants, to developing anti-segregation systems for powdered metals and pharmaceuticals. He has published many papers and lectures on solids flow in conjunction with several technical and trade conferences and professional organizations, including: MPIF, AIChE, ASTM and SPE. Brian received his Bachelor's degree from Rensselaer Polytechnic Institute and a Master's degree from Worcester Polytechnic Institute, both in mechanical engineering.         James Prescott, Senior Consultant Jim joined Jenike & Johanson in 1992. His focus has been primarily on pharmaceutical applications, such as solving and preventing content uniformity problems, maintaining reliable feed, reducing product weight variations, developing specialized feeders for low feed rate/high accuracy applications, and standardizing handling equipment. He has published several articles, lectures frequently and has been awarded patents on equipment related to segregation testing and control. He is a member of American Association of Pharmaceutical Scientists, International Society for Pharmaceutical Engineering, and was a member of Product Quality Research Institute (PQRI) Blend Uniformity Working Group. Jim received his Bachelor's degree from Rensselaer Polytechnic Institute and a Master's degree from Worcester Polytechnic Institute, both in mechanical engineering.         Dr. David A. Craig, Senior Technologist David joined Jenike & Johanson in 1997. He has divided his time between consulting on industrial projects and working on in-house research projects, with a special focus on the influence of bulk solids flow on silo structural design. He has published several technical papers, participated in various international conferences, and presented numerous short courses in the field of storage and flow of bulk solids. He is a member of ASME Structures for Bulk Solids Committee. David received his Bachelor's degree in Mechanical Engineering and a Ph.D. in Bulk Solids Flow, both from the University of Newcastle, Australia.       CALIFORNIA, USA         Thomas G. Troxel, Vice President Tom joined Jenike & Johanson in 1982. He helped open the San Luis Obispo, California facility, which he currently manages. He has been instrumental in expanding the firm's services in the areas of pneumatic conveying, mechanical design engineering and custom equipment supply. He has published numerous papers on the storage and flow of bulk solids and has been awarded several U.S. patents. He lectures frequently on solids handling and pneumatic conveying. Tom received his Bachelor's degree in Engineering Science from California Polytechnic State University.         David Stuart Dick, Senior Consultant Dave joined Jenike & Johanson in 1982. He has been instrumental in R&D for various aspects of bulk solids flow. He has consulted with hundreds of clients on challenging projects, ranging from aerated handling of TiO2 to high speed filling of vitamin bottles. He moved to England in 1997 where he consulted on the storage and flow of bulk solids on his own. He rejoined Jenike & Johanson in 2006. He has published several papers on the storage and flow of bulk solids. Dave received his Bachelor's degree in Civil Engineering from the University of Natal in South Africa.         Greg J. Petro, P.E., Senior Project Engineer, Structural Group Greg joined Jenike & Johanson in 1987. He consults primarily on structural aspects of bulk solids handling facilities and equipment, performing calculations and various types of analyses, including finite element and internal and external loading caused by bulk solids. He has developed special expertise and methods for analyzing and modifying existing silo structures and other bulk solids handling equipment. Greg received his Bachelor's degree in Civil Engineering from California State University.         Scott A. Clement, P.E., Senior Project Engineer Scott joined Jenike & Johanson in 1997. He has been involved in trouble shooting and recommending corrective action for solids flow problems, providing recommendations to avoid solid flow related problems in new installations, and the design and supply of customized handling and test equipment related to this field. He has published several papers and lectured on solids flow issues and holds several U. S. patent related to transfer and analysis of bulk solids. He is a member of ASME and a professional member of the Institute of Food Technologists. Scott received his Bachelor's degree in Mechanical Engineering from California Polytechnic State University.         K. Eric Bengtson, Senior Project Engineer / Lab Manager Eric joined Jenike & Johanson in 1985. As a Senior Project Engineer, he has combined consulting experience with an extensive background in conceptual, mechanical and detail design, and project management. As Lab Manager, he has directed test projects in physical scale modeling, gas assisted discharge, blending, pneumatic conveying and fluidization. Eric has published several technical papers in the field of bulk solids handling, and has been awarded U.S. patents in this field. Eric received his Bachelor's degree in Mechanical Engineering of California Polytechnic State University.       ONTARIO, CANADA         Mike Rulff, P.E., President, Jenike & Johanson, Ltd. Mike joined Jenike & Johanson in 1990. He has extensive experience in many industries, most recently with the difficult bulk solids handling challenges in the Canadian oil sands. He has published several papers and lectures frequently on the storage and flow of bulk solids. Mike received his Bachelor of Applied Science in Mechanical Engineering from University of Waterloo in Canada.         Tracy Holmes, P.E., Vice President, Jenike & Johanson, Ltd. Tracy joined Jenike & Johanson in 1994. She has consulted to a wide spectrum of clients in Canada and overseas. She has published several papers and lectures frequently on the storage and flow of bulk solids. Tracy received her Bachelor of Applied Science in Civil Engineering from University of Waterloo in Canada.         Dr. David J. Goodwill, P.E., Consultant David joined Jenike & Johanson in 1978. He is the co-founder and past president of Jenike & Johanson's Canadian operation. He has consulted for hundreds of clients in Canada and round the world, on a wide range of bulk solids handling projects encompassing all aspects of the business. He has published numerous papers and lectures frequently on the storage and flow of bulk solids. David received his Bachelor's Civil & Structural Engineering, and a Ph.D. in Structural Engineering, both from University of Sheffield in the UK.         Richard T. Jenkyn, P.E., Consultant Richard joined Jenike & Johanson in 1985. He has extensive experience in silo structures, especially those constructed of concrete. He has published several papers and lectures frequently on the storage and flow of bulk solids. Richard received his Bachelor's in Civil Engineering and a Master's in Structural Engineering, both from Southampton University in the U.K.       CHILE, SOUTH AMERICA         Dr. Alfredo del Campo, General Manager Alfredo joined Jenike & Johanson in 1994 and is the co-founder of Jenike & Johanson's Chilean office. With over 25 years of engineering experience, Alfredo has collaborated in the design of new projects and in the solution of flow problems in existing operations for companies located in Chile, Brazil, Peru, Argentina, and Venezuela. He has been directly involved in a variety of applications for the cement, gold mining, iodine, lithium, and copper industries. Alfredo received his Doctor of Engineering Science degree from Columbia University in New York.         Dr. Francisco Cabrejos, Technical Manager Francisco joined Jenike & Johanson in 1994. His experience in both pneumatic conveying and particulate systems has greatly increased the technical support and consulting which the firm offer in these two fields. He has designed reliable handling systems for a wide range of materials, especially for the mining industry. He has published numerous papers on the storage and flow of bulk solids. He lectures frequently on solids handling and pneumatic conveying, and has participated in international conferences. He is a Professor in the Mechanical Engineering Department of the Universidad Técnica Federico Santa María in Valparaíso, Chile where he teaches "Bulk Solids Handling". Francisco studied Mechanical Engineering at the Universidad Técnica Federico Santa María, Chile, and received both a Master's degree and a Ph.D. from the University of Pittsburgh.