Grant John has over two decades of experience in the plastics industry, currently serving as President and CEO of PolySource since 2002, where responsibilities have included roles as Vice President and Sales Representative/Partner, covering multiple states including Arkansas and Illinois. Grant John specializes in engineered resins, application engineering, and product development. In addition to this role, Grant John has been a member of the Board of Directors for the Manufacturers Association for Plastics Processors since January 2023. Prior experience includes positions at Henry Schein and Fred Pryor Seminars, focusing on field sales and customized training solutions, respectively. Grant John holds a B.A. in Communication and Psychology from William Jewell College.
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