Texas Transportation Code - TRANSP § 441.077. Officers

(a) After each directors' election, the board shall hold a regular meeting at a district office and elect from the directors a presiding officer, assistant presiding officer, secretary, and treasurer.  A person elected under this subsection serves until the first regular board meeting following the next directors' election, and shall perform the duties and may exercise the powers specifically provided by this chapter or the board's orders.

(b) The presiding officer shall preside over board meetings.  If the presiding officer is absent, the assistant presiding officer shall preside.