 He first came to prominence as the assistant scouting director of the Milwaukee Braves in the 1950s, and became the first scouting director of the Los Angeles Angels in 1961.From there, Hemond went on to be general manager of the Chicago White Sox and Baltimore Orioles, winning the MLB Executive of the Year Award three times (1972 and 1983 in Chicago, 1989 in Baltimore).He went to the newly created Arizona Diamondbacks as Senior Executive Vice President in 1996, seeing them through their MLB debut in 1998.