He served as the head football coach at Randolph–Macon College from 1907 to 1911, the University of Virginia in 1913, 1920 and 1921 and the University of South Carolina in 1916, compiling a college football coaching record of 41–28–5.

Warren was also the head baseball coach at Virginia for one season in 1921, tallying a mark of 7–15.

In addition he was professor of physical training circa 1920 at the university.

[1] Warren later worked as a physician, having obtained his medical degree from the University of Virginia.

This biographical article relating to a college football coach first appointed in the 1910s is a stub.