About Devon - Management Team 

John Richels, 58, was elected president of Devon in 2004 and joined the board of directors in 2007. He previously served as a senior vice president of Devon and president and chief executive officer of Devon’s Canadian subsidiary. Richels joined Devon through its 1998 acquisition of Canadian-based Northstar Energy Corp. Prior to joining Northstar, Richels was managing and chief operating partner of the Canadian-based national law firm, Bennett Jones. Richels previously served as a director of a number of publicly traded companies. He holds a bachelor’s degree in economics from York University and a law degree from the University of Windsor.

R. Alan Marcum, 42, was elected to the position of executive vice president, Administration, in 2008. Marcum has been with Devon since 1995, and most recently held the position of vice president and controller. Marcum is responsible for office administration, information technology, project management, and records management. Prior to joining Devon, Marcum was employed by KPMG Peat Marwick (now KPMG LLP) as a senior auditor. He holds a Bachelor of Science degree from East Central University, majoring in accounting and finance. Marcum is a Certified Public Accountant and a member of the Oklahoma State Society of Certified Public Accountants.

Darryl G. Smette, 61, was elected to the position of executive vice president, Marketing and Midstream, in 1999. Smette previously held the position of vice president, Marketing and Administrative Planning. His marketing background includes 15 years with Energy Reserves Group Inc./BHP Petroleum (Americas) Inc. He is also an oil and gas industry instructor, approved by the University of Texas Department of Continuing Education. Smette is a member of the Oklahoma Independent Producers Association, Natural Gas Association of Oklahoma and the American Gas Association. He holds an undergraduate degree from Minot State University and a master’s degree from Wichita State University.

William F. Whitsitt, 64, was elected to the position of executive vice president, Public Affairs, in August 2008. Prior to joining Devon, Whitsitt spent 11 years in Washington D.C. as a public affairs consultant representing a broad range of clients including Devon. Whitsitt previously served as director of governmental affairs for one of the world’s largest law firms and held the position of vice president of worldwide marketing and public affairs for Oryx Energy Co. He has served as chief of staff to a U.S. Senator and as a legislative assistant in the Senate and House of Representatives. Whitsitt holds a doctoral degree in Public Administration from George Washington University.