Person Details

Richard Mark

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Richard Mark, Former Chairman and President, Ameren Illinois Company

Mr. Mark formerly served as chairman and president of Ameren Illinois Company, a $3 billion energy and utility company responsible for electric and natural gas distribution to more than 1.2 million electric and 806,000 natural gas customers in Illinois.

Mr. Mark joined Ameren in 2002 as vice president of customer service and subsequently served in numerous senior management roles. Before joining Ameren, he served for 11 years at Ancilla Systems Inc. While at Ancilla, the parent company to St. Mary's Hospital in East St. Louis, Illinois, he served as vice president for governmental affairs and chief operating officer before becoming chief executive officer of St. Mary's Hospital from 1994 to 2002.

Mr. Mark currently serves as director of Sempra and formerly served as a director of Union Electric Company from 2005 until 2012. Mr. Mark earned his B.S. from Iowa State University and his M.S. from National Louis University.