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 board members.

Coaching Staff

Billy Doughty

Head Coach


Billy Doughty is an ASCA level 4 certified coach who moved to Davis in the fall of 2009.  In his short time in the area he has been named 2011 & 2013  "SENIOR COACH OF THE YEAR" for Sierra Nevada LSC.  Since his arrival the team is beginning to head to new levels.  In his short time in Davis, the program has had an Olympic Trials qualifier, multiple senior national qualifiers, new JR national qualifiers, and sent athletes to swim in college at top collegiate schools.  The Aquadart program have been awarded the "Silver Medal" for 2013 and the "Bronze Medal" status in 2011 and 2012 from USA Swimming.  Davis senior swimmers have finaled at JR Nationals and won multiple Sectional HS championships.  Thirteen senior swimmers have signed to compete in college programs in the last three years. 

Billy served as the CEO/Head Coach for City of Mobile Swim Association August 2006 - August 2009.  During this time the team has seen dramatic success in the pool, in the classroom, and in the community.  CMSA earned the USA Swimming Bronze Medal Excellence Award from USA Swimming all three years.  In 2009, CMSA swimmers won multiple AHSAA state champioships, multiple junior national individual titles, and have consistently placed top 5 in Southeastern Swimming team scoring. CMSA currently has multiple swimmers ranked in the top five in Southeastern Swimming and ranked in the top ten in USA Swimming.  CMSA sent swimmers to the 2008 Olympic Trials and had an athlete on the USA National Youth Team.  

Before joining CMSA, Billy worked as a Head Site Coach for Palo Alto Stanford Aquatics running the University Club site for six years.  The University Club site grew from non-existent in 2000 to a site of 140 swimmers.  At PASA, Billy worked with all levels of swimmers from Junior National qualifiers, Pacific LSC record holders, to beginners. 
Billy swam at Clemson University and for Huntsville Swim Association.  He is married to Jen "Davis" with two young boys (JT & Will). 

Carolee B Gregg

Head Age Group and Summerdart Coach


Carolee began coaching with Aquadarts as a UCD student in 1984.  Her initial coaching career began at age 16, when she was an assistant coach with her hometown swim team in Quincy for six years. Carolee swam on summer swim teams throughout her youth, and competed for the UCD swim team in college.  After graduating from college, Carolee was the head coach of the Greenhaven Swim Team in Sacramento for three years, and also coached the Kennedy High swim team.  She has been coaching regularly with the Aquadarts since 1993 as an assistant coach.  Carolee has been the Head Coach of the Davis Summerdarts for the past 17 years, and is now the Head Age Group coach also.

Carolee is married to Bill Gregg (her former swim coach!). Bill works in Davis at the Foundation for Teaching Economics and is also the Davis High School Cross Country and distance track coach. They have four children: Kaitlin, 26, Brendan, 24, Kallie, 17, and Bryce, 12.  Kaitlin is a UCD grad, where she competed on the XC and Track teams.  She now lives and works in Cleveland, Ohio, and runs professionally.  She is newly engaged, and will be getting married next spring. Brendan is a Stanford grad, where he competed in distance running on the XC and track teams. He now runs professionally for the Hansons Brooks running team in Michigan. Kallie was a swimmer and water polo player, and coaches with Summerdarts, as did her older siblings for many years. She will be heading to American University in Washington DC this fall.    Bryce swims with Aquadarts, and plays water polo and baseball.  He will be a 7th grader at Holmes this fall.

In her spare time, Carolee enjoys photography, reading, skiing, camping, running, watching sports (especially her own kids!), cheering for the SF Giants and 49ers, and spending time with her family.  

Katie B Swensen

Senior Group Coach


Katie joined the Aquadarts as the Junior Group coach in the summer of 2011. Her coaching and swimming experience comes from over a decade of training with Steve Morsilli and the Pleasanton Seahawks. As a distance swimmer, Katie has trained at the Olympic Training Center in Colorado Springs and competed at both pool and open water nationals. In 2004, she finished 2nd at Open Water Nationals in the about a long swim! Although school and coaching take up most of her time, Katie hopes to start training again for a 10km open water swim. Her hobbies, besides swimming and coaching of course, are reading, hiking, playing tennis, and riding horses.

Trent K Richardson

Lead Coach



Trent Richardson was most recently the head coach for the Diablo Country Club Sharks, a recreational summer team, and the head coach for Monte Vista High School. In 2012 the Diablo Sharks achieved the most improved team award in the Valley Swim Association. Under Trent’s coaching from 2011-2013 the Monte Vista Swim team achieved two top 10 finishes and a top 5 finish at the North Coast Section Championship. In 2012 the Monte Vista Men’s Varsity team finished their dual meet season with 7 wins and just 1 loss. During his tenure at Monte Vista Trent’s swimmers achieved 19 All-American qualifying times, this award is given to the top 100 swimmers/relays in the United States.

Born and raised in Hawaii on the island of Oahu, Trent first started swimming with the Waialua Swim Club. His senior year of high school, Trent trained with Iolani Swim Club under coach Brian Lee.  After high school Trent swam for Diablo Valley College and U.C. Davis where he was Captain of the men’s team in 2009. At U.C. Davis he was a Big West Conference Champion and remains a conference record holder. After finishing his swimming career at Davis, Trent was a Volunteer Assistant Coach with the Aggies when the Men's team went undefeated and won their first Big West Conference Championship in 2010.

Ray Wieser

Senior Coach


Coach Ray has been with the DART program since 2013.  Ray works primarily with the Senior level swimmers and specializes in running our distance based workouts.  Ray has seen DART swimmers finish top 8 at JR Nationals since his arrival in Davis.  

Ray has four children including Chris that is currently swimming at the University of Arizona.  

Jamie Owen

Age Group Coach


I swam for the Aquadarts for ten years. Have coached summerdarts for the last 11 summers. I have a  bachelors degree in Child and Family Development with a minor in History from San Diego State University. After taking a year off, working at Club Med. I went to Sacramento State and got my  Masters Degree in Social Work with an emphasis in  School Social Work

Chris T Stoner

Age Group Coach



Chris swam with the Aquadarts for seven years where he competed at the sectional level. In addition to swimming for the Aquadarts, Chris competed in both high school swimming and water polo. He also has been coaching Summerdarts for the past seven  years, as well as the Aquadarts for the last two years. Currently, Chris is in his fourth year at UCD, studying International Relations. He competes in swimming with the Davis Aquatic Masters and rides for the Aggie cycling team. In his free time, Chris enjoys hiking, backpacking, reading, and music. 


Ellen Curry

Age Group Coach


Ellen’s swimming career began at the age of six at the Hamilton YMCA in Ohio. After moving to California in 2002, Ellen swam with teams including the Fairfield Aquatic Club, the Solano Aquatic Sea Otters, the Vacaville Swim Club, and the Davis Aquadarts. While swimming with the Fairfield Aquatic Club, Ellen had the privilege of being coached by the well-respected age group coach Bob Southward. Most recently, Ellen swam for the Davis Aquadarts in head coach Billy Doughty’s senior group. Ellen also swam for the varsity swim team all through High School, where she was team captain and named “Most Valuable Swimmer” three years in a row. In addition to competitive swimming, Ellen also participated in cross country and soccer. Ellen graduated from Will C. Wood High School in Vacaville in 2012, and is currently attending Solano Community College, where she is completing her general education. Ellen plans on transferring to UC Davis where she will double major in education and history to become a history teacher, and would also like to persue her career in coaching. Ellen’s interests and hobbies include drawing, listening to music, reading, and being with her friends and family.

Board of Directors

Miriam Fisk

Board President


Kerry Halsted

Volunteer Coordinator


Nicole Castles