Roger has served in a number of leadership roles for Syngenta, including President of Syngenta Biotechnology Inc., Global Head of Crop Genetics Research and Global Head of Technology Strategy & Integration from 2002, retiring in 2012. Prior to this, he held management positions at Pioneer Hi-Bred International, a DuPont company (1991-2002), Allelix Crop Technologies and Allelix Inc. (1983-1991). In parallel to his industrial career he had an academic career as a professor at the University of Toronto with an adjunct professorship at the University of Waterloo, following work as an Assistant Professor at Kansas State University. Roger conducted post-doctoral research at the University of Florida and the Plant Breeding Institute, Cambridge, UK following receipt of a Ph.D. degree from King's College, London.