Roush grew up in Ohio and graduated from Kettering Fairmont High School, where he was active in athletics, music, and theater. He earned a bachelor’s degree in English at Ohio University’s Honors College in 1972, graduating summa cum laude. Active in college athletics, He completed his formal education at Miami University, earning a master’s degree in 1973 and Ph.D. in 1979. In addition to his work in higher education, Roush was a captain in the U.S. Army. He is married to Susie Miller Roush, a native of Dover, Ohio, who earned a bachelor’s degree at Ohio University and a master’s degree at Miami University. He began his career in higher education in 1972 at Miami University as an assistant football coach, then transitioned to administration in 1976, completing his work there in January 1982 as executive assistant to the president. He joined the University of Richmond in 1982 as executive assistant to the president and was named vice president for planning, executive assistant to the president, and secretary to the board of trustees in 1990.