administrator, executive - someone who manages a government agency or department

bank commissioner - a commissioner appointed to supervise banks; a state superintendent of banks

housing commissioner - a commissioner in charge of public housing

park commissioner - a commissioner in charge of public parks

police commissioner - a civil commissioner appointed to supervise the duties and discipline of the police

commission, committee - a special group delegated to consider some matter; "a committee is a group that keeps minutes and loses hours" - Milton Berle

member - one of the persons who compose a social group (especially individuals who have joined and participates in a group organization); "only members will be admitted"; "a member of the faculty"; "she was introduced to all the members of his family"