The six members of the state transportation commission are appointed by the governor to staggered three-year terms, with the advice and consent of the Senate and within constitutional requirements pertaining to party affiliation (Mich. Comp. Laws Ann. §247.802; Mich. Const. art. V, §28). The MDOT director also is appointed by the governor, with the advice and consent of the Senate and within broad statutory guidelines for abilities, and serves at the pleasure of the governor. If the director is not a licensed professional engineer, the director must designate a deputy director who is, to be responsible for the engineering content of policies and programs (Mich. Comp. Laws Ann. §16.455 and §247.805; Mich. Const. art. V, §28).