He then served as an official referee of the court.

I've been involved for seven years serving as a team mentor, a judge, and a referee.

He later served as a referee in the Philadelphia leagues.

In addition to his playing and coaching career, Gould also served as a referee for several decades.

Serving as a referee can even be a condition of a grant, or professional association membership.

He regularly serves as a referee for a number of journals in the information science field.

Through his high school and university years, he served as a referee whenever he could.

Thereafter, he served as an official referee for the court.

He also served as a referee from 1911 to 1914, earning praise for his ability to control the game.

He served as a referee in bankruptcy in 1867 and 1868.