Coach Tammy Lowengrub


Tammy joins the DCAC coaching staff after spending two years coaching for the Lane 4 Swim Club (formally Curl-Burke Swim Club) in Washington, DC. She competed for NCAA Division III powerhouse Kenyon College, and is a USMS swimmer. Tammy currently coaches Nation's Capital Swim Club age group and works for Wave One Swimming to encourage and train people for open water swimming.


Melissa Otterbein is a Certified Level 1 USA Triathlon and USA Swimming Coach and Certified Level 1 & 2 US Masters Swimming Coach. She was an NCAA Division I scholar-athlete swimmer at Towson University from 2005-2009. An avid triathlete, Melissa has completed three half Ironmans and qualified for the 2013 Half Ironman World Championships, where she used her platform to advocate for women's inclusion in the Tour de France. She was a 2015 USA Triathlon Age Group National qualifier and currently is a competitive cyclist with The Bike Rack Racing team. She's been coaching swimming since 2003, including age group and Masters. She is passionate about people enjoying the psychosocial and physical benefits of exercise and loves watching people fall in love with swimming. She is completing a Master of Public Health in Physical Activity in Public Health at George Washington University. She is also a writer and working on a project called Letters to Future Sisters of the World, collecting stories of dreams for future generations of women and girls globally. Her writing can be found at 


Jerry Frentsos has set 20 Masters Swimming World Records over the last 20 years. He was a US National Team member from 1985-1988 and won a Gold Medal at the 1987 Pan American games. He competed in the 1984 and 1988 US Olympic Trials finishing 3rd in the 400 IM to become an alternate for 1988 US Olympic Team. He has won several races as a triathlete, was sponsored by TREK cycling and completed the 1997 Canadian Ironman. He returns to coaching DCAC after 17 years away from the team. During his first time with the team, 1998-2001 - He coached the team to become IGLA Champions & USMS Men's National Team Champions. Professional life includes: Masters Degree in Nutritional Sciences, worked as a Dietitian, Adjunct Professor, NCAA Division 1 Head Coach, Sports Nutrition Director at the Naval Academy, Fitness & Wellness Coordinator at the U.S. Police Corps, Coached 2-time Collegiate Triathlon National Champions. Because of his volunteer work as a sports nutrition youth counselor with the NCAA, he was invited to carry the 2002 Olympic Torch. He is currently working at MyCORE-Benefits as Chief Wellness Officer.


Katie Stefl has been coaching since 2007 in numerous capacities - NCAA, USA, YMCA, Country Club and Masters. A full time coach, Katie is an assistant coach at Division I George Washington University. She finished her swimming career as an All American at Kalamazoo College, and was inducted into the Kalamazoo College Hall Fame in October 2016. More of a land athlete these days, Katie occasionally hops in the pool just to make sure she still knows how to swim.


Alicia joined her first swim team at the ripe old age of 5. In high school, she earned a spot on the Zones All-Star Team, was ranked Top 16 in the 50 free, and named the Herff-Jones Female Scholar Athlete of the Year. Alicia then brought her sprint free and fly to the U.S. Naval Academy where she competed for four years at the Division I level and named a Patriot League Scholar Athlete All-Star. Alicia transitioned her love for the sport to coaching age-group, triathlon, and Master's teams while stationed all over the U.S. Now a civilian and professional "tree hugger" in DC, Alicia is super stoked to bring a smile and a good sprint set to DCAC!


Kevin came up through age group swimming with the Greater Toledo Aquatic Club and swam NCAA Division 1 at Kent State University. He has been competing with DCAC since 1996 and represented the club and Team USA at the FINA Masters World Championships in Budapest in 2017. Kevin coached age group swimming for ten years in Northern Ohio and is excited to be sharing his love of swimming with adults. He is a Certified Level 1 & 2 US Masters Swimming Coach.