The Commissioner shall be appointed by the Governor, subject to confirmation by the General Assembly, if in session when such appointment is made and if not in session, then at its next succeeding session. He shall hold his office at the pleasure of the Governor for a term coincident with that of each Governor making the appointment or until his successor shall be appointed and qualified. Vacancies shall be filled for the unexpired term in the same manner as original appointments are made.
Va. Code § 46.2-201