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Coaches & Directors

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 aquatic directors.

Coaching Staff

Laura Dunn

Head Coach

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This is Coach Laura's 4th year with the Piranhas.

Prior to moving to MD Laura was the Head Coach of Norwich University Men's and Women's swimming and diving teams for 9 years, before that she was also an Assistant Coach at Colby-Sawyer and the Head Assistant Coach for a USA Swimming Team, North Country Aquatic Club. Her first coaching job was with a YMCA in Orrville, Ohio.  

Coach Laura grew up in the sport and was a multiple time Vermont State Record holder and State Champion. She attended the College of Wooster where she was a 13 time All-American and 4 year Varsity Swim Team member for the Fighting Scots.

Sami Holtz

Assistant Coach

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Coach Sami coaches the Red and Bronze Squads

Sami grew up in the Rockville/Bethesda area and swam competitively for the Tilden Woods and Walter Johnson High School teams. She has been coaching swimming for the past 10 years and teaching swimming for over 15 years. She started coaching US Swimming in New England and has coached in MCSL since 2007; is currently the head coach for the Forest Knolls Seahawks. Sami graduated from Johnson and Wales University with a BS in Sports/Entertainment/Event Management and Springfield College with a Masters in Education. She is currently a Physical Education teacher at Thomas S. Stone Elementary in PG county. She is very excited to be back with the Piranhas this season!

Susannah Ripley

Assistant Coach

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Zeke Gonzales

Assistant Coach

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Coach Zeke works with the Mini and MW White Squads

Zeke Gonzalez grew up in Silver Spring and has swum competitively for more than fifteen years. As a child, he swam with the Piranhas at the YMCA in the winter & the Northwest Branch Dolphins during the summer. In middle school and high school he swam for RMSC at the MLK Pool and for Albert Einstein High School in Montgomery County, and began coaching at Northwest Branch. In college, he was a member, coach, and officer for the UMD Club Swim team, and all told has been coaching, giving swim lessons, and teaching children of all ages how to swim for seven years! He recently graduated from the University of Maryland with a dual degree in Biology and Psychology, and works at the Jug Bay Wetlands Sanctuary. He is really excited to coach at the YMCA this year! Go Piranhas!

Philip Rector

Aquatics Director

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