Dr. John Peridkoulias P.Eng.

Dr. John Perdikoulias, P.Eng, is a world-renowned specialist in polymer extrusion screw and die design. He has designed numerous screws and dies in all areas of single-screw extrusion such as sheet extrusion, film extrusion, profile extrusion, pipe extrusion, rubber and TPE extrusion, and medical applications. John is especially renowned for his expertise in blown-film extrusion. Screws and dies designed by John generally meet or exceed expectations, have excellent flow distribution, and purging characteristics.

John is a licensed Professional Engineer with over 30 years of experience in the plastics industry. He holds B.Eng. and M.Eng. Degrees from McMaster University and a Ph.D from the University of Waterloo, Canada. He is currently president of COMPUPLAST CANADA Inc., providing simulation software and consulting services to the extrusion, thermoforming, blow molding, and injection molding industry worldwide.

From 1985 to 1996, John was R&D Engineer for Brampton Engineering where he was responsible for screw and die design and helped develop the first commercially available 8 and 9 layer blown film dies in the world. In 1996 he formed COMPUPLAST CANADA Inc. as the North American office for COMPUPLAST INTERNATIONAL (Czech Republic) which he co-founded in 1990 with Dr. Jiri Vlcek.

John is an active member of several industry societies and has served as a Chairman of the TAPPI, PLACE Division Council and has been awarded the Division’s Technical Achievement Award. John has also been active member of the SPE Ontario Section holding several positions including President. He is also currently on the SPE Extrusion Division Board of Directors and was recently elected as an SPE Honoured Service Member for his contributions to the Society. He is a frequent presenter at industry conferences and has received best paper awards. Dr. Perdikoulias is also honored to have received the Bruce Maddock award for his contributions to the extrusion industry.

Through COMPUPLAST software and services, Dr. Perdikoulias has helped many companies around the world improve their equipment designs and polymer processing efficiency. He also provides regular consulting and design services to several leading equipment providers and processors around the world.

Dhaval Harsora

Dhaval Harsora is a Polymer Engineer who has become an expert in analyzing and troubleshooting problems in extrusion, thermoforming, and blow molding. He is currently based in Mumbai, India to develop and provide support to India region. 

Dhaval completed his bachelor’s degree in Polymer Engineering from Maharashtra Institute of Technology (MIT), Pune in 2009 and Diploma in Plastics Engineering from Shree Bhagu Bhai Mafatlal Polytechnic, Mumbai in 2003. He has past experience in designing different products, dies and process control. Dhaval worked on developing solutions for automotive, packaging and consumer products.

Since joining the Compuplast team in 2013, Dhaval has designed and troubleshooted numerous dies for applications in profile, multi-lumen, sheet and blown film extrusion. He also helps companies avoid and solve problems in extrusion, thermoforming and blow molding.

Tim Womer

Please follow this link to Tim Womer‘s website for more information.