Education
Mann played on the water polo team at Corona del March High School and won three CIF titles. As a senior, he scored 109 goals and was named the Orange County Player of the Year. He was also named to the All-America first team
Mann then joined the University of California, Berkeley team
He scored 22 goals as a freshman in 2003.
As a sophomore, he led the Bears with 60 goals, was named the team Most Valuable Player, and was also a first team All-American. The following season, he scored 56 goals to lead the team again.
He repeated as team Most Valuable Player and was named to the All-America first team
In 2006, Mann scored a team-leading 80 goals and led California to the National Collegiate Athletic Association Championship. He was a first team All-American for the third straight year and also won the Peter J. Cutino Award as the nation"s best male collegiate water polo player.
He finished his college career with 218 goals, the second-most in school history.