California Code, Business and Professions Code - BPC § 2007

Members of the board shall only be appointed from persons who have been residents of this state for at least the five-year period preceding their appointment.  Members of the board, except the public members, shall only be appointed from persons licensed as physicians and surgeons in this state.  No person who in any manner owns any interest in any college, school, or institution engaged in medical instruction shall be appointed to the board.  Four of the physician members of the board shall hold faculty appointments in a clinical department of an approved medical school in the state, but not more than four members of the board may hold full-time appointments to the faculties of such medical schools.

The public members shall not be licensees of the board.