Three of the seven members of NDOT's Board of Directors are appointed to four-year terms by the governor, within statutory requirements for geographic representation, state residency and qualifications as well as restrictions pertaining to conflicts of interest. The governor, lieutenant governor, attorney general and state controller serve ex officio. The three appointed members must be informed on and interested in the construction and maintenance of highways and other transportation matters, and must possess either knowledge of engineering; demonstrated expertise in financial matters and business administration; or demonstrated expertise in the business of construction (Nev. Rev. Stat. §408.106). The NDOT Director is appointed by the Board of Directors, within statutory requirements for qualifications and experience as well as prohibitions on other employment, and serves at its pleasure (Nev. Rev. Stat. §§408.160 et seq.).