|United States Senator|
January 3, 1979 – January 3, 1985
|Preceded by||Dick Clark|
|Succeeded by||Tom Harkin|
|38th Lieutenant Governor of Iowa|
January 16, 1969 – January 1973
|Governor||Robert D. Ray|
|Preceded by||Robert D. Fulton|
|Succeeded by||Arthur Neu|
|Member of the Iowa Senate|
Roger William Jepsen
December 23, 1928
Cedar Falls, Iowa, U.S.
|Alma mater||Arizona State University|
|Branch/service||United States Army|
|Years of service||1946–1947|
On December 23, 1928, Jepsen was born in Cedar Falls, Iowa. Jepsen's father was Emil Jepsen. Jepsen's mother was Esther (née Sorensen) Jepsen. Jepsen attended public schools.
Jepsen attended University of Northern Iowa. Jepsen graduated from Arizona State University in Tempe, Arizona in 1950 with a bachelor's degree and in 1953 with a master's degree. At ASU, Jepsen was a member of the Tau Kappa Epsilon.
Jepsen served as a county supervisor of Scott County from 1962 to 1965 and was a state Senator from 1966 to 1968. He was the 39th Lieutenant Governor of Iowa from 1969 to 1973, having been elected with Governor Robert D. Ray in 1968.
In 1978, he was elected to the United States Senate, narrowly defeating incumbent Richard C. Clark in a major surprise, receiving strong support from National Conservative Political Action Committee (NCPAC). He served a single term from January 3, 1979 to January 3, 1985. He served as co-chairman of the Joint Economic Committee in the 98th Congress.
Fellow Republican colleagues praised Jepsen for persuading President Reagan to lift the agricultural ban against the Soviet Union
During part of his tenure in the Senate, Jepsen sat at the Candy desk.
- Tolchin, Martin (27 July 1984). "CONGRESS; THE G.O.P. ROADSHOW OF MUTUAL ADMIRATION". New York Times. Retrieved 11 October 2014.
- United States Congress. "Roger Jepsen (id: J000101)". Biographical Directory of the United States Congress.
- Appearances on C-SPAN
Robert D. Fulton
| Lieutenant Governor of Iowa
Arthur A. Neu
| U.S. Senator (Class 2) from Iowa
Served alongside: John Culver, Chuck Grassley