Our Team

Dynamic Women’s Hockey is an ice hockey program for women and girls who are looking to improve their skills. We offer pre-season and in-season clinics, and summer hockey camps. We also offer specialized clinics and camps for women and girls ice hockey teams to offer an intensive experience of team and skill building.

We are led by an experienced coaching staff that has expertise in working with women and girls of all ages and skill sets.

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KAY COWPERTHWAIT
she/her
Head Coach and Founder of Dynamic Women’s Hockey

Kay Cowperthwait is a lifelong athlete who has played hockey for over forty years. She is a former head coach of the Amherst College women's hockey team and assistant coach for the women’s lacrosse and golf teams. During her tenure, both the golf and lacrosse teams attended the National Championships. Prior to Amherst she was the head lacrosse coach of the inaugural Stanford University Women’s Lacrosse team, where she coached her team to a Western Women’s Lacrosse League title. In high school at the Pomfret School, she was a three sport athlete and served as soccer, ice hockey, and lacrosse captain. She was also awarded the Pomfret Bowl as the best athlete in the senior class. Kay played ice hockey and lacrosse at Colby College, where she captained both teams and was named MVP of both teams in her junior and senior years. She was inducted into the Pomfret School Athletic Hall of Fame in 2017.

Since 2003, Kay has taught a weekly ice hockey skills clinic for girls and women along with volunteering her time as a captain and coach for her women’s hockey team. She is also a certified personal trainer, Spinning and Pilates Instructor, which has honed her eye for detail, alignment and posture. Kay continues to play hockey in western Massachusetts, has completed triathlons of all distances, including two Ironman Triathlons, and is an avid golfer. She and her wife have two kids and live in western Massachusetts. Kay’s love of working with people shines through in all of her teaching, and she looks forward to sharing her passion for ice hockey with you.

Erin Bernard
She/Her
Coach

Erin has been playing ice hockey for over 30 years. She grew up playing in Connecticut, where she played for both the Connecticut Polar Bears and the Southern Connecticut Stars. She then attended Trinity College, where she was a two-time captain of the varsity ice hockey program. After graduating from Trinity, Erin earned an M.S. in Sports Psychology from Springfield College. She was then hired as coach of the Smith College women’s ice hockey team, which competes in the American Collegiate Hockey League. Erin’s vast knowledge of the game of hockey and her outstanding teaching ability lead to great success at Smith in her ten seasons as head coach. Ice hockey and coaching run in Erin’s family, as her sister also played college hockey and her father has coached youth hockey for more than 30 years. She and her husband live in western Massachusetts and have three daughters who skate and play hockey in the backyard rink they construct every winter. 2025 marks Erin’s sixth time coaching at the DWH camp!

Tes Siarnacki
She/Her
Coach

Tes Siarnacki has over 30 years of ice hockey experience, skating on ponds as soon as she could walk and playing lots of street and ice hockey throughout her childhood in her hometown of Gardner, Massachusetts. In her middle and high school years, Tes played for the Assabet Valley girls’ hockey program, where she was a defender on four National Championship-winning teams. She attended the Groton School for high school. There, she was a tri-varsity athlete in soccer, ice hockey, and lacrosse, and served as captain of the ice hockey team her senior year. Tes went on to attend Amherst College, where she played both rugby (DI) and ice hockey (DIII). Fun fact— she missed Coach Kay by just one year! As a senior, she captained the women’s ice hockey team to a historic season—earning the program’s first-ever NESCAC Championship, first NCAA tournament appearance, and first NCAA Frozen Four appearance. She was also a two-year captain of the Amherst College women’s rugby team. After college, Tes turned her leadership and love for sport toward coaching youth flag football, volleyball, and girls' basketball. She also picked up ball hockey (again) and went on to represent the United States in the 2019 World Championships in Košice, Slovakia, where she earned a silver medal with the U.S. Women’s National Ball Hockey Team. She continued haunting the rinks around Boston in the South Shore Women’s League and served as an assistant coach for the University of Massachusetts Amherst Women’s Ice Hockey Team during the 2022–2023 season. These days, Tes lives in Western Massachusetts with her wife, where she attempts to convince plants to grow so she can eat them, forages for mushrooms, and is delighted to play ice hockey whenever she can.

Sarah Wilson
She/Her
Coach

Sarah Wilson has been playing hockey for over 30 years. In high school, she played for the CT Polar Bears and the Loomis Chaffee school. At Loomis, she was a tri-varsity athlete all four years, winning the Outstanding Athlete award her junior and senior years. She captained the field hockey, ice hockey, and softball teams her senior year. She then attended Harvard University, playing for the nationally ranked D1 hockey team. At Harvard, she won the 2006 Most Outstanding Player award for the ECAC Championships, the 2008 MVP award for the Beanpot tournament, and ended her career on the century list for overall points. In 2006, she also spent time on the U-22 USA Women’s Ice Hockey team.  Following a youth spent as a Laura Stamm camper trained by Laura herself, Sarah transitioned into an instructor role in high school. Throughout high school, college, and post-college, Sarah worked for Laura Stamm Powerskating as an instructor traveling the New England region and NY/NJ. Sarah credits this program for much of her ice hockey success. After college, Sarah continued playing ice hockey in the South Shore Women’s League and picked up ball hockey, ultimately playing for the US National team in three World Championships, leading the 2015 team in Switzerland as captain. Currently, she lives in Western Mass with her wife where she tends chickens, gardens, and plays with goats.