Organizations That Support The Piranha Swim Team:
Piranha Staff

We are here to support your needs. If your questions are related to workouts, meets, events, goal setting, and other swimming related needs, please contact one of the coaches. For all questions related to administrative, such as dues, safety, or policy issues, please contact one of the board members.

Coaching Staff

Jeff Conwell

CEO Head Coach


B.S. Kinesiology/Exercise Science  Cal State Northridge 


In October of 2012 the Piranha Swim Team hired CEO and Head Coach Jeff Conwell. Jeff comes to the Piranhas after a successful 14 years of coaching the Canyons Aquatic Club in Santa Clarita, California, six and a half years as their Head Age Group Coach and just over seven as the teams Head Coach. During that time Canyons grew from 250 swimmers to 600. He also served as the Head Coach of the College of the Canyons Swimming and Diving team and was an Adjunct Professor at the College from 2006 to 2012.

Prior to joining Canyons Jeff spent two years as an Assistant Coach at Cal State Northridge, an NCAA Division 1 program, was the Head Age Group Coach at CLASS/CCAT Aquatics in Calabasis, and was the Head Coach of Crespi, Louisville, and Granada Hills High Schools.  At Granada Hills his Girls won a CIF Team Championship and set five CIF records.  

Over his entire career Conwell has had 8 swimmers qualify and compete at the USA Swimming Olympic Trials, 17 qualify for USA Swimming Nationals, 7 qualify for USA Swimming Open Water Nationals, and 32 qualify for USA Swimming Junior Nationals.  Swimmers trained by Jeff have won 18 CIF individual Championships including two Div 1 championships in 2012 and 1 Div II championship in 2013, and 91% of his groups graduates have gone on to swim in College. He has personally coached more than 300 National Age Group ranking swims, 32 of those being the number 1 ranked in the United States, 16 Southern California Swimming Age Group records, and one National Age Group record.


Jeff has been active in the local and swimming community, formerly serving on the City of Palm Springs Parks and Recreation Commission and currently a member of the Southern California Swimming Board of Review and the Eastern Committee of SCS Board of Directors.  He also has been the Palm Springs High School Head Boys Swimming coach since 2015.   Jeff has been recognized by USA Swimming as a member of the 2009 National Select Camp Staff and selected to attend the 2011 and 2015 Open Water Select Camp.  A native of Sacramento, Conwell competed for California Capitol Aquatics and was coached by 1992 US Olympic Coaching Staff member and Hall of Fame Coach Mike Hastings. He also swam and played water polo for Jesuit High School in Carmichael where his Senior year the Maurader  Swim Team was named the NISCA Prep School National Champions and the Water Polo team was CIF runner ups. Conwell later attended Cal State Northridge as a scholarship athlete where he earned his bachelors degree in Kinesiology and served as team captain of their swim team.

Martin Gregoire

Head Coach Piranha Loma Linda


Before coming to California in 2011,  Coach Martin had been coaching in Canada for the previous 20 years. Martin has had numerous swimmers on the Canadian National Team and was appointed as a Canadian National Team Coach for several international travel trips.  Swimmers Coached by Martin in Canada have won medals at the 2008 Olympic Trials, the World FISU Games in 2009, the Santa Clara International Invitational, and Open Water World Cup's. 
Just prior to joining the Piranha Swim Team, Coach Martin was the Head Coach of the Redlands Swim Team from 2011 to 2014. While at the helm of the team, two of his swimmers qualified for the London 2012 Olympic Games as did Martin himself, as a member of the coaching staff of the Uzbekistan Olympic Swim Team.  
Coach Martin has spent many years on the Canadian National Team Coaching staff.  In 2012-2013 season Martin was appointed bye USA Swimming to the National Junior Team staff.  Besides the Olympics, swimmers coached by Martin have broken numerous SCS records, Competed at the Junior World Championships (Kyle Gornay) and SCS Senior All Stars in Japan, which Martin was also a member of the staff.  
We are happy to have Coach Martin, who brings his extensive experience in building up the Loma Linda site to do great things.

Abel Menchaca

Masters Coach


Michael P Parke

Swim Lessons


Indira Ceranic

Head Site Coach Palm Desert


Board of Directors

Piranha Board Of Directors Contact