The Chief Judge makes sure that a contest is run according to the Speech Contest Rulebook. The Chief Judge's role is described in that document.
Although audience members at a contest will normally not interrupt the proceedings, the Chief Judge will interrupt the contest as necessary to ensure the proper conduct of the conduct.
A Chief Judge must have done Chief Judge training in order to serve. Chief Judge training is typically done at LACE.
In order to be a Chief Judge at a contest, the Rulebook lays out several requirements, including the completion of a minimum number of speeches.
The Chief Judge will normally be chosen by the contest organizer except in cases where the district or division already has a designated Chief Judge.
A Chief Judge will typically find the voting judges and will choose a Tiebreaking Judge.