Bishop of Orange:
Most Reverend Tod D. Brown, D.D.

Auxiliary Bishop of Orange:
Most Reverend Dominic Luong, D.D., M.S.

Auxiliary Bishop of Orange:
Most Reverend Cirilo Flores, D.D., J.D.

Moderator of the Curia:
Monsignor  Michael Heher

Chancellor:
Shirl Giacomi, M.Div.

Secretary to the Bishop/Director of Clergy Personnel:
Fr. Binh T. Nguyen