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HAYAN KIM - Head Coach

This is Hayan’s first year as Head Coach of the Nereids.  She swam competitively for 11 years, five of those on the National Team for South Korea.  She won 3rd place 1997 Comen cup and She was a member of the South Korea 2000 Olympic Teams (reserve).  Amongst many other accomplishments, she had top-three finishes at the National level in Solo, Duet, and Team events.

Hayan has been coaching since 2002.  She coached the South Korea 12 & Under National Team for four years, with top-three finishes at the 2009 Asian Age Group Championship in Solo, Duet, and Team events.  She has been a coach with the Nereids since 2012.  Hayan is a USA Synchro Level 3 judge (Zones) and  level 1-4 assessor. 

Hayan also had international judge experience.




JACKIE HAFNER -  Team Manager and Coach







Marsea swam competitively for nine years, including one year as a Nereid and two as a Santa Clara Aquamaid.  Her career highlights include finishing first in team at the 1998 Junior Nationals and second in duet at the 1999 US Open.

 Marsea has coached in Northern Virginia for several years and, in 2013, spent a year coaching in Perth, Australia, where she helped her team win nationals for the first time in its history.  In honor of her contributions, the annual "Marsea Nelson Award," which acknowledges exceptional teamwork by an athlete, was established.

 Marsea's favorite part of coaching is seeing athletes exceed their own expectations.


CONNIE POLNOW - Seasonal Coach


MARGOT BADEN - Seasonal Coach


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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.