[1] Meehan swam for Cardinal O'Hara High School under Coach Kevin Speicher in Marple Township outside Philadelphia where he performed well in the 100 backstroke and 200 and 500 freestyle events.

As a collegiate athlete, Meehan swam for Rider University, in Lawrenceville, New Jersey, excelling as a back stroker and distance freestyle.

Majoring in Mathematics and Secondary Education, he was a four-time All-Academic Team Member who graduated in 1998.

[7] From 2012-2023, he was the head coach and director for Stanford University women's swimming, where he led the team to four Pac-12 Conference championships between 2013-2023, in '13, '17, '18 and '23.

[3] At the 2023 Pac-12 Conference Championships, held at King County Aquatic Center in Federal Way, Washington, he coached Stanford Cardinal women's swimmers to the second-largest winning margin by a team in a 27 year time period, 485 points, with a combined team score of 1725.5 points.