Coach Collingham has BS and MS degrees in Chemical Engineering from WSU and worked for many years on the engineering processes for circuit board and hybrid manufacturing before moving on to management. Mark has played water polo since 1980. Prior to that he was one of a dozen inaugural members of the Tri-City Channel Cats. He then went on to a swimming scholarship for WSU and also played/coached water polo there for 6 years. Coach Collingham has played and coached a number of other teams, including Washington State University, Milwaukee Water Polo, Old Pueblo Water Polo, and the University of Arizona. Coach Collingham has been coaching the Kroc/CDA and North Idaho Water Polo clubs since moving to CDA in 2011.

Katelyn played water polo and swam with Chehalem Water Polo and Swim teams and has also played with Newberg High School, San Diego State, OMBAC Masters and NYU Water Polo before moving to CDA in 2017 and helping the club since then. 

Coach Israel holds a B.A. in History from CSU San Bernardino and an M.S. in Athletic Administration from Ohio University. His experience spans various roles in swimming and water polo, having contributed to teams such as Canyon Lake Aquatics, Riverside Aquatics Association, Elsinore High School Swim Team, Mt. San Antonio College for Water Polo and Swimming, Silverwood SRA State Lifeguard Water Polo Club, and Extreme Aquatics as an Assistant Coach. He served as the Head Coach for Lake Elsinore Lakeside High School’s Swim Team and Water Polo from 2013 to 2021 and continues to share his expertise as the coach for Kroc CDA Water Polo Club from 2023.