Miller was the head football (1919), basketball (1916-1917, 1918-1919), and baseball (1918, 1920-1921) coach at the University of Missouri.
Miller was the head college football coach for the AlbionBritons located in Albion, Michigan. He held that position for 3 seasons, from 1921 until 1923. His coaching record at Albion was 18 wins, 6 losses and 2 ties. As of the conclusion of the 2010 season, this ranks him #10 at Albion in total wins and #3 at the school in winning percentage (.731).