From 2001 to 2009, he was the Republican member of the Kentucky House of Representatives for District 51 (Taylor and Adair counties) in the south central portion of the state.
Mobley worked at Campbellsville University, located about eighty miles southwest of Lexington, and affiliated with the Kentucky Baptist Convention.
In 1968, Mobley lost the general election for the United States House of Representatives from Kentucky's 6th Congressional District, which included Lexington, to the Democrat John C. Watts.
As Mobley lost the district, 58-42 percent, Republican ticket mates Richard M. Nixon and Spiro T. Agnew prevailed statewide and nationally.
CU President Michael V. Carter, at the dedication ceremonies, said that Mobley "leaves a great legacy in this place.