Dean Oestreich	Paul Schickler

"Given the incredible growth opportunity for the Pioneer business and the importance of Pioneer to the success of DuPont, we needed to expand the leadership capacity for longer-term planning and execution," said Erik Fyrwald, group vice president, DuPont Agriculture & Nutrition.

Dean will focus on strengthening the longer-term strategy for the Pioneer business.  Paul, who has had responsibility for the rapidly growing international markets for Pioneer, will have responsibility for all of Pioneer's business operations.

Dean has served as Pioneer president since 2004.  He joined Pioneer in 1974 as a corn breeder and has held leadership positions in the businesses information management, sales and marketing, and supply management organizations.

Paul joined Pioneer in 1974 in corporate accounting.  He held a number of administrative leadership roles before being named a Pioneer vice president in 1995.  He assumed responsibility for Pioneer Latin America operations in 1999 and all Pioneer business operations outside of North America in 2003.  Paul assumed responsibility for business development across the DuPont Agriculture & Nutrition platform, in addition to his business operations responsibilities, in 2006.