Monagan was re-elected five more times. He became Assembly Republican Leader in 1965 and held that post until becoming Speaker of the Assembly in 1969. After the 1970 elections, Monagan again became Assembly Republican Leader and held that post until becoming United States Assistant Secretary of Transportation in 1973, holding that position until 1974.[3]
In 1974, Monagan returned to California to become vice president (and later president) of the California Manufacturers and Technology Association.[1] In 1984, he left the CMTA to become president of the California Economic Development Corporation, serving until 1994.
A portion of the I-205 which runs through Tracy which is named after him.[4]
Monagan served on the Board of Regents of the University of the Pacific from 1991 to April 2007, including nine years as Chairman, and the University's Monagan Hall is named for him and his wife.[2] Monagan Hall is a student housing complex consisting of four-bedroom suites available only to juniors and seniors.[5]
With his wife, Ione, he had one son, Michael and one daughter, Marilee.
Books
The Disappearance of Representative Government: A California Solution (1990) ISBN0-933994-10-9.