Per Wikipedia, Hein also served as the head football coach at Union College from 1943 to 1946 and as an assistant coach for the Los Angeles Dons of the All-America Football Conference (AAFC) from 1947 to 1948, the New York Yankees of the AAFC in 1949, the Los Angeles Rams in 1950, and the USC Trojans from 1951 to 1965. He was also the supervisor of officials for the American Football League from 1966 to 1969 and for the American Football Conference from 1970 to 1974.