John Carroll was named as the new head coach of the Georgetown swimming & diving program in May of 2025. Carroll comes to the Hilltop after spending the past two seasons as an assistant coach at the University of Virginia. He brings eight years of collegiate coaching experience, as well as an impressive swimming career for the University of Maryland Baltimore County (UMBC).
Carroll joined the Cavaliers' staff at the beginning of the 2023-24 season and helped the women's team earn its sixth consecutive ACC Championship title and become the first UVA program to earn five consecutive NCAA Division I Championship titles in 2025.
Prior to Virginia, Carroll spent three seasons with UNC Wilmington, where he helped transform the Seahawks program. During the 2021-22 season, Carroll and the Seahawks' coaching staff were honored by the CAA coaches as the men's Swimming Staff of the Year as the Seahawks breezed to the program's first CAA title since the 2014 season. UNCW combined to win 16 events at the championship meet. Brooke Knisley became the first Seahawk since Carly Tanner in 2013 to compete at the NCAA championships. Knisely was the CAA champion in the 500 and 1650 Free, setting program records in each event. Four Seahawks earned major honors, with Sam O'Brien (500 & 1650 Free CAA champion) and Katie Knorr (400 IM CAA champion) earning CAA swimming rookie of the year honors.
The 2022-23 season was another banner season for the Seahawks. UNCW won the Coastal Athletic Association Championships combined title for the first time since 2006. Carroll's distance group thrived at the CAA conference meet. The Seahawks came away with event victories on the men's and women's side in the 500 Free, 1650 Free and 400 IM events. The UNCW staff won Swimming Coaching Staff of the Year for both the men's and women's teams, with both sides scoring the most points in team history.
Before UNCW, Carroll was a graduate assistant coach at Auburn from 2018-20. He worked primarily with the mid-distance and distance swimmers. Carroll assisted the staff with all facets of the program. He assisted with two SEC individual champions, two SEC relay champions and multiple NCAA qualifiers.
Carroll began his collegiate coaching career as a volunteer assistant at Rowan University in 2016-17. While at Rowan, Carroll also coached for two seasons as an assistant senior coach with the Jersey Wahoos Swim Club.
Carroll graduated from UMBC in 2016, where he earned a degree in history and a minor in political science. He helped the Retrievers to three conference championship titles. He served as a team captain during his senior season. Carroll also earned a master's degree in education at Auburn in 2020.
