He served as the head football coach at Harvard from 1919 to 1925, compiling a record of 43–14–5 and winning the 1920 Rose Bowl.

[2] After graduating in 1912, Fisher went to work for the C. F. Hovey department store, but remained involved with the Crimson as an assistant football coach.

[2][5] On June 13, 1919, it was announced that he would succeed Percy Haughton as Harvard's head football coach.

[5] He was chosen after Haughton's lead assistant, Leo Leary, turned down the job to focus on his business interests.

[6] His 1919 team went undefeated and won the 1920 Rose Bowl over Oregon and was retroactively recognized as a national champion by the Helms Athletic Foundation and the Houlgate System, and as a co-national champion by the College Football Researchers Association, National Championship Foundation, and Parke H.

He had less success in the annual game against Princeton, amassing a 1–4–2 record and losing by a combined score of 70 to 0 in his final two seasons as coach.

[2] Fisher worked at Lee, Higginson & Co. until 1927, when he and Francis Ouimet were chosen to head the Boston office of the stock and commodities exchange house Harriss, Irby & Vose.