The Governor of Betazed is the Betazoid head of government. (TNG - Slings and Arrows eBook: Enterprises of Great Pitch and Moment)
The leader of Betazed was alternately called the Elected of the Betazoid Houses. (ST video game: Infinite)
History and specifics[]
In 2346, Betazed was led by Elected Lwalara Genestra. (ST video game: Infinite)
In the year 2372, the Governor of Betazed was Rel Obertag, who was a candidate for Federation President in the 2372 Federation Election. (TNG - Slings and Arrows eBook: Enterprises of Great Pitch and Moment)