May Ooi

May Ooi Yu Fen (Ooi Yu Fen, born 24 June 1976) is a retired Singaporean butterfly, freestyle and medley swimmer. She competed in seven events at the 1992 Summer Olympics. She attended college at the University of Nevada, Reno from 1993 to 1997 and was a pre-med major. After her swimming career she became a MMA fighter.