Clockwise from left: A.N. Sreeram, vice president of R&D, Dow Chemical; Greg Nelson, chief technology officer, Eastman Chemical; Mark Doriski, clobal intermediates technology manager, Exxon-Mobile; Ivan Amato, moderator; Thomas Connelly, chief innovation officer, DuPont; Ryan Dirkx, vice president of R&D, Arkema; Christopher Pappas, president and CEO, Styron