Herb Dean net worth and salary: Herb Dean is an American mixed martial arts referee and retired fighter who has a net worth of $1.5 million dollars. Herb Dean was born in Pasadena, California, and made his professional mixed martial arts fighting debut in 2001. He trained with Submission Factory, and fought in five matches during his six years as a professional MMA competitor. He won two bouts, one by submission, and one via knockout. He has become one of the most well-known and well-respected referees on the MMA circuit, and has officiated upwards of 3500 matches. He is the go-to referee for all of the most high profile competitions, and is regularly seen in the ring at major Ultimate Fighting Championships events. He is known for stopping fights and stepping in when fighters are severely injured, even when the fighters themselves are unaware of the extent of the injuries. Multiple fighters credit him with stopping fights before their injuries became career ending. He has won the MMA Referee of the Year Award every year that it has been in existence.