Our Team

Leadership Team

Grant John

PolySource President & CEO/Owner


  • 20 years at PolySource
  • Partner with PolySource
  • Technical Sales Account Mgr. to VP to President & CEO

Damien Couch

Vice President Sales/Owner


  • 17 years at PolySource
  • Partner with PolySource
  • Technical Sales Account Manager to VP Business Development

Ryan Koenig

  • Joined PolySource in 2015
  • Background in Commercial Banking
  • Responsible for external relationships including Banking, Accounting, IT, HR and Benefits


Director of Marketing
Sr. Technical Sales Account Manager
New England, Eastern Canada, Upstate New York
  • 41 year plastics industry veteran
  • GE Plastics/LNP Engineering Plastics/Metabolix
  • 24 years with LNP Engineering Plastics – Global VP of Sales & Marketing
  • Bioplastics experience

Cliff Watkins, PhD

Director of Applications Development
National Key Accounts, lower New York, New Jersey, Pennsylvania, Delaware
  • 41 year plastics industry veteran
  • Past owner of TP Composites – sold to Techmer PM in 2013
  • PhD in Chemistry
  • 14 years with PPG Fiber Glass
Olivia Margolis

Olivia Margolis

Director of Order Management


  • Joined PolySource in 2019
  • 10-year customer service background
  • 5 years management experience

Jeremy Bland

Materials Technology Manager
Sr. Technical Sales Account Manager - Iowa


  • 24-year plastics industry veteran
  • Pittsburg State University – Plastics
  • Process engineering expertise
  • Six Sigma Black Belt

Account Managers

Erik Loftsgaarden

Technical Sales Account Manager
  • Minnesota, Wisconsin, North, South Dakota

Chad Miller

Technical Sales Account Manager
  • Indiana, Kentucky, Ohio, Tennessee, Michigan

Steve Hill

Senior Technical Sales Account Manager
  • Northwest Arkansas, Colorado, Kansas, Nebraska, Western Missouri, Oklahoma

Graham Sutton

Technical Sales Account Manager
  • South Carolina, North Carolina, Florida, Georgia, Alabama, Virginia



Chris Meyers

Product and Operations Manager

Sue Mikeska

Sales Support Manager
Kevin Dickson

Kevin Dickson

Supply Chain Manager
Caitlin Walsh

Caitlin Walsh

Executive Planner

Mallory Martinez

Accounting Manager

Laura Myers

Sales Support Specialist

Order Management


Emily Hall

Order Management Leader
Patty Sudhoff

Patty Sudhoff

Order Management Leader
Caitie Allen

Caitie Allen

Order Management Leader
Dani Marvin

Dani Marvin

Order Management Leader