Exxon Mobil Corp. (NYSE: XOM) plans to appoint T.R. “Tom” Walters as president of ExxonMobil Production Co. and R.S. “Rob” Franklin as president of ExxonMobil Gas & Power Marketing Co. effective March 1.

Walters, currently president of ExxonMobil Gas & Power Marketing Co. and a vice president of the corporation, succeeds R.M. “Rich” Kruger, who was appointed by the board of directors of Imperial Oil Ltd. (NYSE: IMO) as chairman, president and CEO.

Walters joined Exxon USA in 1978 in Los Angeles and has held a variety of technical and managerial positions in production, operations, development and global services. He’s served as vice president for Africa at ExxonMobil Development Co. , vice president for US at ExxonMobil Production Co., president of ExxonMobil Global Services Co. , and executive vice president of ExxonMobil Development Co.

Franklin, currently president of ExxonMobil Upstream Ventures and a vice president of the corporation, joined Mobil North Sea Ltd. in 1981 and has held a variety of technical and managerial positions in exploration and production and gas marketing. He’s served as vice president for European gas marketing at Mobil Corp. , vice president of new business development at ExxonMobil Gas & Power Marketing Co., executive assistant to the chairman of Exxon Mobil Corp., and vice president for Europe, Russia and Caspian for ExxonMobil Production Co.

Headquartered in Irving, Texas, ExxonMobil is a publicly traded international oil and gas company focusing on the uses of technology and innovation to help meet the world’s growing energy needs.