Coaches and Directors

Coaches and Directors
Coaching Staff
Stefan Bill HEAD COACH

Stefan joined Piedmont Swim Team in 2014 from St. Paul’s Boys School in London, UK, where he was the Master in Charge of Aquatics, restructuring their physical education lessons for swimming and water polo. Stefan designed St. Paul’s Aquatics swim team from the ground up and in the process helped the school win their first ever Independent Association of Prep School National Championship title. Stefan is an American Swim Coaches Association Level 5 International Age Group Coach and a 2015 ASCA/WSCA Fellow. During his tenure, PST’s membership grew from just under 70 swimmers to over 170 athletes and the team created new, positive and long lasting relationships with three additional pool facilities. Thanks to this expansion, PST was able to enrich their coaching staff with a Strength and Conditioning Coach, Head Age Group Coach, Head Developmental Coach and additional Assistant Coaches. PST’s volunteer Board of Directors and Coach Stefan restructured the team immensely and with that has now their first ever National level swimmers and a thriving senior and junior group that continues to grow technically, physically and mentally to become their best swimming selves.  


Robert has coached swimmers of all ages and abilities, ranging from the Novice Swimmer to Canadian Olympic and World Championship Swim Trials. He is an ASCA Level 3 certified coach, played a vital part in building the Long Term Athlete Development Model for the Canadian Swim Coaches Association and brings a true love for the sport of competitive swimming to PST. 


Adrien is an ASCA Level 2 Certified Coach and a Certified Strength & Conditioning Specialist from Washington, DC. He comes to Piedmont Swim Team from Trinity University in San Antonio, where he coached an unprecedented number of national qualifiers for them, and helped those swimmers win four conference championships and break nearly every school record. Adrien has coached multiple programs and swim camps aimed at younger athletes as well. Adrien studied English and graduated cum laude from Williams College in Massachusetts, where he was an All-Conference Swimmer and Scholar All-American. He coaches to "share the joy of teamwork, discipline, and self-confidence to new generations.

Colby joins us from Concord where he was a seasonal Assistant Coach for the Terrapins Swim Team from 2007-2010; an instructor at Little Dipper Aquatic Center from 2010-2011; the
Head Coach at Gehringer Park from 2007-2011; the Head Coach of Piedmont High School from 2014-2015 and 2017-2024; the Head Coach of the Zone 2 All Star team from 2021-2022; and an assistant from 2013-2019; as well an assistant for the Pacific and Western Zone all star teams from 2021-2023. Colby brings a wealth of technical knowledge and a knack for breaking swimming down into understandable terms and fun games for our swimmers! He attended a program in Kinesiology for sports training at Diablo Valley College.
Zachary Blanchard ASSISTANT COACH
Board of Directors