David W. MacLennan is chairman and chief executive officer of Cargill. He was elected to the Cargill Board of Directors in 2008 and previously served as chief financial officer and chief operating officer. Joining Cargill in 1991, he has held management positions within the financial, risk management, energy, and animal protein platforms, living in both London and Geneva. Prior to joining Cargill, he worked in the futures and securities sector in Chicago, and was president of fixed income capital markets at USBancorp Piper Jaffray.
His international experience includes various programs, contributions and participation in different countries for diverse fields of study. His research interests reflect in his wide range of publications in various national and international journals.