Stone will report to DuPont Executive Vice President Marc Doyle.
"We thank Pat for his many contributions to DuPont over the past 20 years," said Doyle. "Pat's relentless passion for leading others and his energy and enthusiasm for building strong customer relationships will be missed, and we wish him continued success in his career.
"Randy brings a depth of business knowledge and global leadership skills combined with a record of success in executing for superior business results. He will help drive growth through a strong innovative pipeline of products that meet customer needs, and will make an outstanding leader at an important time for Performance Materials."
Stone joined DuPont in 2007 and has served in progressive leadership roles for the DuPont Dow Elastomers joint venture and DuPont Performance Elastomers business, the latter while located in Shanghai, China. Stone also served as director, Investor Relations and most recently in DuPont Performance Materials as global business director - High Performance Solutions. He received a Bachelor's Degree in Economics from South Dakota State University and an MBA from Lehigh University.
DuPont (NYSE: DD) has been bringing world-class science and engineering to the global marketplace in the form of innovative products, materials, and services since 1802. The company believes that by collaborating with customers, governments, NGOs, and thought leaders, we can help find solutions to such global challenges as providing enough healthy food for people everywhere, decreasing dependence on fossil fuels, and protecting life and the environment.