Stephen M. Stoll was appointed to the Public Service Commission by Missouri Governor Jay Nixon in December of 2011.

Commissioner Stoll is well-known to the Missouri House of Representatives and Senate, having been elected to both legislative bodies by the citizens of Jefferson County, Missouri. Stoll was first elected to the Missouri House of Representatives in 1992 and was re-elected in 1994 and 1996. During his tenure in the Missouri House, Stoll served on a number of legislative committees and as chairman of the House Elementary and Secondary Education Committee.

In 1998, Stoll was elected to a four-year term to the Missouri Senate and was re-elected in 2002. He served on a number of committees, including the Senate Committee on Commerce and the Environment, the Senate Ways and Means Committee and the Senate Appropriations Committee. He also served as chairman of the Committee on Elections, Veterans and Corrections during his first term in the Senate.

In 2005, Stoll returned to Jefferson County to serve as the City Administrator of Festus, Missouri, a position he held for four years.

In 2009, Stoll was named Director of Administration for Jefferson County, Missouri, becoming the first director to serve under the Home Rule Charter of Jefferson County.

Commissioner Stoll is a member of the National Association of Regulatory Utility Commissioners (NARUC) where he serves on the Committee on Electricity and the Subcommittee on Nuclear Issues-Waste Disposal. Stoll also serves as the Missouri Public Service Commission’s representative on the Regional State Committee (RSC) for the Southwest Power Pool (SPP), and currently serves as the RSC president and as chairman of the Regional Allocation Review Task Force (RARTF).

Stoll is a veteran of the U.S. Army. He holds a Bachelor of Arts degree in political science from the University of Missouri-Columbia and a Master of Education degree from the University of Missouri-St. Louis.

Stoll worked as a classroom teacher in Jefferson County schools, where he taught social studies for 20 years. He was first elected to public office in Crystal City, Missouri, where he served on the City Council from 1983 to 1992.

Commissioner Stoll and his wife, Kathy, have four children (Emily Stoll, deceased) and five grandchildren.