Ryan Castle enters his first season as an assistant coach for the University of Michigan water polo program.
Prior to arriving at Michigan, Castle served three seasons as an assistant coach at Hartwick College (2010-13), where he contributed to a solid 83-37 record over his tenure. Last season the Hawks posted a 29-13 mark, claimed the CWPA Western Division regular-season title and took fourth place at the Eastern Championship.
Castle also previously served as an assistant coach at Arizona State (2007-10). In 2008, he helped guide the Sun Devils its most wins (21) and highest national ranking (No. 4) in program history at the time. As the head coach for the ASU men's club team (2007-10), he also led the Sun Devils to a third-place finish at the National Collegiate Club Championships in the same calendar year.
A native of Cape Town, South Africa, Castle has extensive international experience at the junior and senior levels. Most recently, he served as head coach with the Kazakhstan Women's Senior National Team, coaching the squad to 13th place at the 2011 FINA World Championships in Shanghai, China, matching the fourth greatest finish in the country's history.
He was an assistant coach with the South African Women's Senior National Team (2003-05, '11) and the head coach of the 2004 National 'B' Team. In 2003, he served as head coach of the South African Women's Junior National Team, while simultaneously assisting with the men's junior team.
Castle began coaching at Wynberg Boy's High School in Cape Town (1997-2001) before taking over at Reddam House College in 2002. He served as the provincial age group boys' and girls' teams coach for the Western Province while coaching Silvertree Water Polo Club (2001-05) and Stingrays Water Polo Club (2004-05).
He graduated from the University of Cape Town in 2001 with a bachelor's degree in information systems and earned post graduate Credential in Education in 2003.
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