Claremont-Mudd-Scripps Colleges

Greg Lonzo enters his 19th season at the helm of the CMS Men's and Women's Water Polo programs in 2026-27. The Stags have earned five SCIAC championships during that time in 2010, 2012, 2015, 2023, and 2025, and earned the first two national titles in program history in 2025, winning the USA Water Polo Division III Championship in 2023 and 2025.

Lonzo has also led the Athenas to four straight appearances in the USA Water Polo Division III Championship from 2023-26, falling in overtime in 2023 and by one goal in 2025. The Athenas have compiled the best SCIAC record in program history in 2023 and 2025 (11-1) and has compiled the best three-year stretch (32-4) and four-year stretch (42-6) in SCIAC play in program history as well. 

Prior to winning the 2023 title 6-5 over Redlands, Lonzo coached the Stags to back-to-back appearances in the USA Water Polo Division III Championship game in 2019 and 2021 (around a lost year due to COVID-19). The 2019 team earned a bid with a dramatic 12-11 comeback win over Pomona-Pitzer in the SCIAC Semifinals, while the 2021 team captured it with a big road win over Cal Lutheran, and ended up taking Division III unbeaten Pomona-Pitzer into overtime in the national finals. 

In 2025, the Stags won their second title with a 9-4 win over Pomona-Pitzer, finishing the year with a 24-5 overall record. CMS hosted the championship after defeating Pomona-Pitzer in the SCIAC finals and went on to defend their home pool to win the national championship trophy for the second time. He was named the Association of Collegiate Water Polo Coaches National Coach of the Year for his efforts. 

In the 2015 season, the Stags were a perfect 11-0 in SCIAC, sweeping through the regular season and the SCIAC Championships to earn a berth to the first NCAA tournament for water polo. Over his career, the Stags have had a .719 winning percentage in SCIAC contents (123-48), while the Athenas are at .671 (116-57).

Lonzo is a 2002 graduate of Pepperdine University with a degree in Business Administration.  He was a four-year varsity player and is the career leader in goals scored at Pepperdine, and was a three-time All-American and runner-up for National Player of the Year in 2002. 
 
Lonzo has previously served as the Head Coach at the Riverside Water Polo Club, coaching both an 18-under and a 16-under team.  He also served two years as an assistant coach at Claremont-Mudd-Scripps before taking over the head coaching position, and worked in over 20 water polo camps representing Pepperdine.