Who We Are



Judy Webb has 30+ years of experience in plastics industry with a focus on flexible packaging.  She is currently a Senior Technical Service Specialist for Sasol, North America to support their expansion of Polyethylene production to North America. Judy obtained her B.S. in Chemical Engineering from Texas A&M University.  After graduation, she joined the general products division of Mobil Chemicals as a process engineer working in various areas of polyethylene film extrusion and oriented polystyrene thermoforming.  Her next opportunities were technical service for Chevron Chemical Company followed by NOVA Chemicals working with polyethylene film applications. Judy has served on the Flexible Packaging Division’s Board of Directors since 2016.  Volunteering on several conference committees. She keeps her life balanced through competitions in various dog sports.  

Past Chair (2018-2020)

Finance Committee Chair

Interim Councilor (2020-2021)

Ken Forziati is a Professional Engineer with 20+ years of experience in the plastics industry and currently serves as Director of Business Development and Product Management at Parkinson Technologies Inc. in Woonsocket, Rhode Island, where he has worked since 2005.  He is an also an active member of the Society of Plastics Engineers, where he is currently serving as Chair of the Flexible Packaging Division and is a member of the Extrusion Division. 


John Wagner graduated from the University of Notre Dame with a BS and MS in Chemical Engineering. He was co-captain of the Fencing team and assistant coach while in graduate school. He worked in the plastic processing industry for 34 years. First at BF Goodrich Chemical Company in Louisville, KY making PVC resin, compounds and monomers and then at Mobil Chemical Co. Films Division in Macedon, NY doing research and development on biaxial oriented polypropylene (BOPP) retiring in 1998.  He has 24 patents, edited and co-edited seven books, authored several book chapters, journal articles and presented papers at national and international seminars. He is a SPE fellow (1998) and honored service member (2015). He is the Treasurer for both the Flexible Packaging Division (2007-present) and the Extrusion Division (2001-present) and has served as Extrusion Division Chair (1996). He became assistant editor for the Journal of Plastic Film & Sheeting in 2001, co-editor in 2007 and now is the editor in chief since 2010. He is also president of Crescent Associates, Inc., a consulting firm that specializes in plastic processing, expert witness testimony and intellectual property. John is married and has two daughters. He enjoys woodworking, traveling and teaching T’ai Chi.


Wayne Moras has 41 years of experience in the plastics industry with a focus on flexible packaging.  He currently supports extrusion and materials developmental activities for Hefty® Slider Storage Bags and Hefty® Waste Bags.  Wayne has a B.S. in Mechanical Engineering from Clarkson University, a M.S. in Management Science from Texas A & M University – Central Texas, and is a Professional Engineer. He has worked for Mobil, Tenneco Packaging, Pactiv and Reynolds Consumer Products.  Wayne has been involved in project management, process and product development, and technical management roles.  He has experience in polystyrene foam extrusion and thermoforming, BOPP extrusion, cast sheet thermoforming, and polyethylene blown film extrusion.  Wayne is an active member in SPE and the Flexible Packaging Division.  He has been involved in the Flexible Packaging Division since its inception as a Special Interest Group in 2001.  He has served as the Public Relations Chair (2001-2002), Secretary (2002-2003), Technical Program Chair for ANTEC 2005, Division Chair (2006-2007), Past Chair (2007-2008) and Director (2008-2011).  Wayne also served as the Chair for the first SPE FlexPackCon® in 2006.  Wayne currently serves as the SPE Flexible Packaging Division’s Secretary, a role he has held since 2012.


Chair Elect

Chair FlexPackCon®

Donna S. Davis  is a Sustainability and Advocacy Manager, Polyethylene, at ExxonMobil Chemical Company.  Over her career at ExxonMobil, she has led New Product Development efforts such as the introduction of Exact™ plastomers and other specialty polymers.  She entered the polymers world via process design, going back to ExxonMobil’s first gas-phase polyethylene plants in Texas, Saudi Arabia, and Canada.  She has been heavily engaged in packaging markets and applications, particularly developing opportunities for ethylene- and propylene-copolymers.  Ms. Davis has championed industry-wide technical interaction by organizing programming for Thermoplastic Materials and Foams, Flexible Packaging, Polyolefins, and Sustainability.  She has also chaired SPE’s Technical Program Committees and General Operating Committees for SPE’s Annual Technical Conference. She was inducted into the Plastics Hall of Fame in 2018 and served as the 2003-2004 president of the Society of Plastics Engineers. Sponsored by SPE Flexible Packaging division.


Communications Co-Chair

Dr. Allison Calhoun is the VP of Research and Development for Incoa Performance Minerals. Allison earned her Ph.D. in Physical Chemistry and BS.Ed. from the University of Georgia. Prior to joining Incoa, Allison was an Associate Professor at Whitman College and spent five years upon completing her graduate degree at Imerys Pigments & Additives focused on mineral additives in polymeric systems. Allison has authored nearly 20 publications, patents, presentations or invited chapters in books, co-edited an SPE series of books in fundamentals of polymers and extrusion, and co-authored a polymer science textbook. Allison was a Board Member of the Flexible Packaging Division from 2002-2008, during which time she acted as secretary (2006-2007), was a member of the conference committee (2002-2006), was TPC for FlexPack  Division at ANTEC 2006 and ANTEC 2008, and was the recipient of the Outstanding Service Award in May 2002.


E&S Chair FlexPackCon®

Dave Constant is the Technical Development Manager, Specialty Polymers for BASF based in Charlotte, NC.  He has served in several roles with BASF which include managing the Packaging Applications Laboratory and acting as a Marketing Applications Engineer with the Packaging Industry Team.  He earned his BS in Plastics Engineering from UMASS-Lowell and has over 40 years of experience in the engineering and applications of polyolefins.  He has served as a Board Member with the SPE Flexible Packaging Division over multiple terms, participated in organizing multiple FlexPackCon® events and acted as a Liaison with Clemson’s CEFPAK /Sonoco Institute.   

Membership Committee Chair

Dan Falla is the Senior Technical Service Specialist in Films at Shell Polymers.  Dan has spent more than 30 years in the polymer industry and was most recently with NOVA Chemicals in product development and food packaging. Prior to NOVA Chemicals, Dan worked for Dow Chemical in specialty packaging and new business development for 27 years, where his focus was on product innovation and customer support. Dan has a Bachelor of Science in Chemistry from McMaster University, Bachelor of Commerce degree from the University of Windsor, and a Certificate in Business Administration also from the University of Windsor. During his career, Dan has earned more than 20 patents, written over 25 peer-reviewed articles, and has given presentations at numerous conferences and webinars. Dan is a  Fellow with the Society of Plastics Engineers’ (SPE) and Membership Chair  with SPE Flexible Packaging Division where he also serves as Councilor.


Awards Committee Chair

Dr. Ying (Lora) Liang is a Research Principal at the global packaging core technology group in Mondelēz International, working on Research & Development and commercialization of enabling innovative technologies spanning multiple food package formats/categories.  Dr. Liang earned her Ph.D. from Michigan State & MBA from DePaul University.  With more than 20 years industry experience, she actively advocates industrial collaboration across the supply chain to deliver breakthrough innovations.  Prior to Mondelēz, Dr. Liang worked 11 years at Nanocor, where she spearheaded nanocomposite technology development & commercialization.  Dr. Liang’s patents range from polymer composite to barrier/sealant technologies.  She is a frequent speaker at numerous conferences.  Dr. Liang currently serves as treasurer for SPE Bioplastics & Renewable Technologies Division, and Board of Directors of the Flexible Packaging Division.  She is also the editor for Plastic Film and Sheeting. Sponsored by SPE Engineering & Property Structure division.


Scholarship Committee Chair

Barry A. Morris is a R&D Fellow in the Packaging and Specialty Plastics division of the new Dow company, having spent his career in a variety of technology and research positions supporting DuPont’s ethylene copolymers business.   His research interests include polymer adhesion, ionomers, polymer blends, compounding, rheology, co-extrusion and film and coating converting processes.  A holder of 11 U.S. patents, Barry has over 30 years of experience in packaging technology and has developed many resins for the film and coating markets. Barry has been an active member of SPE since 1992, a Fellow since 2005, and a frequent contributor to ANTEC and other SPE conferences with over 100 industry-wide publications, including a recently published comprehensive text on flexible packaging (The science and technology of flexible packaging, Elsevier, 2016).    Barry was involved in the formation of the Flexible Packaging Division, has been a member of its board of directors since its inception, and has been active in developing technical program content for ANTEC and FlexPackCon.  He is also a former chair of the SPE Extrusion Division and is currently their councilor.


Dr. Natarajan Ramesh is the Director, Disruptive Innovation, Global R&D at Velcro USA focusing on sustainable solutions for Personal Care and other customer needs.  Before joining Velcro USA, he worked as a Senior Engineering Fellow and R&D Director at Sealed Air.  Dr. Ramesh received his Ph.D. in Chemical Engineering from Clarkson University, Polymer Training from MIT, and completed Executive Management programs at SMU and the University of Michigan Business School.  He developed the 2018 Dow Diamond Finalist Innovation Award Finalist and 2019 Design for Optimization Finalist Award from the Sustainable Packaging Coalition technology StealthWrap® to eliminate plastic waste by 80%. He developed and commercialized a 100% plant-based foam technology using renewable resources which received the 2018 AmeriStar Award.  Most recently, he was given the 2019 Outstanding Achievement Award at SPE Conference in Spain for developing and commercializing eco-friendly innovations. He holds 23 US Patents, numerous global patents, 120 technical publications, co-authored 4 books and was inducted into Sealed Air Inventors Hall of Fame in 2006.  He has been serving on SPE’s TPM Board for 25 years to build strong collaboration between universities and industries. 


TPC FlexPackCon® 2020

Co-Chair Communications

Dr. Chitai Carey Yang is a polymer materials, extrusion and packaging professional with more than 23 years of cross-industry experience engaging in a wide range of R&D, process engineering, product development & commercialization capacities. Before joining MeadWestvaco (now WestRock Company) in early 2014, Dr. Yang had worked with Sealed Air Corporation for 14 years where he was involved in monolayer, multilayer and microlayer coextrusion film in consumer, industrial and food packaging products.  He’s also experienced in other packaging materials and substrates including kraft paper, foam, foil, adhesive & cohesive coating and film lamination.  Prior to that, he spent 4 years with A. Schulman (now LyondellBasell Industries) and Formosa Plastics in product development and process engineering in additives & fillers compounding and plastic resin manufacturing. Currently at WestRock Company, Dr. Yang is responsible for materials innovation and extrusion technology platforms to identify, evaluate & commercialize a range of polymers & biopolymers, functional fillers & additives, cellulose fibers and blends in monolayer extrusion and multilayer co-extrusion coated and film laminated paperboard products for high barrier and high-performance food and non-food packaging applications. Dr. Yang is the author of two book chapters in foam extrusion and has more than 30 publications and patents.



Paul Zerfas has a bachelor’s degree in Chemical Engineering from the University of Wisconsin. He has 32 years of experience in the plastics industry, and has worked extensively in injection molding, thermoforming and sheet & film extrusion. Paul currently works for Mondelēz International, based in East Hanover, New Jersey, as a Principal Engineer in Global Packaging R&D. Paul has authored 19 patent applications, and has 10 granted patents. He was one of the original founding members of the Society of Plastics Engineers Flexible Packaging Division, and has held various leadership various positions including 3 terms as Division Chair.