"The task of leadership is not to put greatness into humanity, but to elicit it, for the greatness is already there." John Buchan

PSi's Leadership Team, both in the US and Belgium, consists of industry leaders from the polymer sciences, film manufacturing, packaging, packaging machinery, printing, and business finance sectors.
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George Thomas
President and CEO

Mr. Thomas has over 40 years in the packaging industry operating businesses for Rexam, The Mead Corporation, PaperPak Products, and Ampac Packaging Corp. prior to joining PSi in 2012 as President and CEO.

Bart DeKeyser
Managing Director

Bart DeKeyser has more than 30 years of experience in finance and general management.  Prior to joining Plastic Suppliers, Inc. in 2004, he held positions with Arthur Andersen and ConocoPhillips.  He is currently managing the European & ROW division of Plastic Suppliers, Inc.

Brad Bastion
VP of Sales & Marketing for the Americas

Brad Bastion has worked in flexible packaging and films for more than 25 years.  Prior to becoming part of the team at Plastic Suppliers in 2017, Brad held commerical roles at Inteplast, Berry Plastics, Atlantis Plastics and Printpack.  He is currently VP of Sales & Marketing for the Americas at PSi.

Erich Emhuff
VP of Manufacturing

Erich Emhuff has 30 years of experience in manufacturing, primarily in the plastics processing industry.  Prior to joining Plastic Suppliers, Inc. in 2012, he held positions with AET Films and Mobil Chemical.  He is currently managing Operations for The Americas.

Sonja Kemp
Customer Service Manager - The Americas

Sonja Kemp has over 25 years experience in the Flexible Packaging Industry.  Prior to joining Plastic Suppliers, Inc. in 2014, she held positions at Printpack, Master Packaging (Star Packaging), The Robinette Company, and Graphic Packaging.  She is currently the Customer Service Manager for the Americas.

Brenda Hammond
Senior Director Human Resources

Brenda Hammond has over 20 years experience in Human Resource management.  Prior to joining Plastic Suppliers, Inc. in 2017, Brenda held HR leadership positions in non-profit, footwear manufacturing and glass manufacturing.  She is currently the Senior Director of Human Resources for the Americas at PSi.

Ed Tweed
Director of R&D and New Product Development

Edward C Tweed has 44 years with PSi in a number of international manufacturing and R&D roles and developed/patented a number of PLA products. He is currently the Global Director of R&D and Product Development.


Martin Debaets
Sales & Marketing Manager

Martin Debaets has over 35 years of experience in sales.  Prior to joining Plastic Suppliers Inc. in 1989 he held positions with Danneels Business Office, and Lannoo Printers & Publishers.  He is currently the Sales & Marketing Manager EMEAA (Europe, Middle East, Africa & Asia) at Sidaplax, the European & ROW-division of Plastic Suppliers, Inc.

Denis Vynckier
Operations Manager

Denis Vynckier started his career with Plastic Suppliers Inc. in 1989.  He has held the positions of QA and TS Manager prior to becoming the Operations Manager for Europe in 1996. 

Günther Winnerl
Strategic Global Business Development

Günther Winnerl is based in Germany managing the Strategic Global Business Development of key PSI accounts. He has a 15 year experience in Business Development and Commercial Operations in the plastic films industry and was most recently Head of Sales Specialty Films at Bayer MaterialScience and Covestro AG.  Guenther has an MBA of Science from Landshut University of Applied Sciences.

Wendy Persy
Finance Manager - Sidaplax

Wendy Persy has 17 years of experience in finance.  Prior to joining Sidaplax VOF in 2016, she held positions with Paxar Benelux and the American Clothing Distribution Co.  She is currently the Finance Manager for the European Operations of Plastic Suppliers, Inc.

Saskia Smessaert
Customer Service and Sales Support Team Manager - Sidaplax

Saskia Smessaert has over 20 years experience in Customer Service and Logistics.  Prior to joining Sidaplax in 2013 she held positions with Cooper Standard Automotive and Solideal.  She is currently managing the Customer Service and Sales Support team in Sidaplax.