Kenesaw M. Landis

1920-1944

Happy Chandler

1945-1951

Ford C. Frick

1951-1965

William D. Eckert

1965-1968

Bowie Kuhn

1968-1984

A. Bartlett Giamatti

1989

Peter Ueberroth

1984-1989

Fay Vincent

1989-1992

Bud Selig

1992-2015

Rob Manfred

2015-Present