Dickerhoof entered the plastics and elastomers industry in 1998 when he joined Advanced Elastomer Systems (now ExxonMobil). Subsequently he spent ten years with Zeon in marketing positions chiefly involving elastomers for automotive applications. His last position with Zeon was that of business manager for polyacrylate, styrenic, and TPVs. Dickerhoof is a member of the Society of Automotive Engineers (SAE), the Society for the Advancement of Material and Process Engineering (SAMPE), and the American Chemical Society (including the Rubber Group). He holds a B.S. degree in mechanical and polymer engineering from the University of Akron.