Thomas R. Voss became president and chief executive officer of Ameren on May 1, 2009. Previously he served as executive vice president and chief operating officer of Ameren and president and chief executive officer of AmerenUE, Ameren’s Missouri rate-regulated operations.
Prior to that appointment, he held the title of senior vice president, Generation, and president, AmerenEnergy and AmerenEnergy Resources. In this position, he was responsible for all non-nuclear generation, fuels and services and related trading and marketing operations, including AmerenEnergy Inc., AmerenEnergy Generating, AmerenEnergy Resources Business Service, AmerenEnergy Fuels and Services, AmerenUE Power Operations and AmerenEnergy Marketing.
Previously, he served as senior vice president for Energy Delivery/Customer Services. In this position, Mr. Voss was responsible for the design, construction, operation and maintenance of all gas and electric delivery systems and also for all customer care activities for Ameren’s operating utility companies—AmerenUE, AmerenCIPS and AmerenCILCO.
Mr. Voss began his career with Union Electric (now known as AmerenUE) in 1969 as a student engineer after earning a bachelor’s degree in electrical engineering from the University of Missouri-Rolla. After four years in the U.S. Air Force, he returned to Union Electric as an assistant engineer. From 1975-1987, he held a series of successively higher positions—moving from engineer to staff engineer, superintendent and district manager. In 1988, he became manager of Distribution Operating. He was named vice president, Region Operations for AmerenCIPS in July 1998.
Mr. Voss is also a graduate of the University of Michigan’s Public Utility Executive Program and the Westinghouse Advanced Power Systems School in Pittsburgh. He is a registered professional engineer in Missouri and Illinois.
Mr. Voss serves on the boards of several St. Louis-area civic and arts organizations, including Civic Progress, Dance St. Louis (past chairman), The Muny, the Regional Chamber and Growth Association (RCGA) and the Urban League of Metropolitan St. Louis.
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