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Coaches and Staff

We are here to support your swimming needs. If your questions are related to workouts, meets, events, goal setting, and anything swimming related, please contact one of our coaches. 

Coaching Staff

Jeffrey T Miksis

Director/ Head Coach-ENVY - Cumberland

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Jeffrey started his age group swimming career with the Jersey Wahoos in south jersey. For high school he attended The Peddie School in Hightstown, New Jersey. His team ranked third in the country his sophomore year, and he was a member of two different relays taking top rank in the nation.  Jeffrey was recruited to swim at Brown University. During the course of his college career he traveled to train with some of the top coaches in the sport. He broke several school records, and was elected captain his senior year.  He competed in the US Olympic trials in 2000 in the 400 free, 400 IM, and the 200 IM. His 800 Freestyle relay record remains after 15 years. 

After college he took some time away from the sport. He returned to help coach the East Providence Boys and Girls Club. Jeffrey joined the Envious family in the fall of 2012 to help open our second location. He is the director of swim team operations and the head coach and director of the Cumberland High School location.  Since starting with Envious, he's coached several athletes to their first junior national cuts, and had several Age Group Championships finalists.

Marshall Gavin Muir

CEO/ Director Of Coaching/ Owner

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Marshall has swam and Coached all over the world at almost all levels off competition. After swimming for several years with the Bruin Swim Club in RI which later became the Ocean State Squids he went on to swim at Florida Atlantic University. After 2000 Marshall continued his swimming career in Open water events until 2002 where he then moved back to his birthplace of Australia and began coaching.  His team went on to win their first NSW Australian State title in the 25 year history of the club, a streak that would continue for several more championships. Marshall is an Australian Silver licensed coach for his swimmers accomplishments at a National Level.

In May of 2007 Marshall started the Envious Swimming program with a vision of building a team that would one day suit the name. His vision and direction for the team is taking shape one day and one swimmer at a time. Marshall has continued to redifine "Swimming programs" and has incorporated all areas of aquatics into the program from Swim Teams, learn to swim, private coaching, pool management, swimming equipment and branding. This unique approch to "Swimming is one business" has set the foundation of redifining swimming in New England and across the US.

Lillian Margolis

Age Group Coach

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Colleen Cray

Age Group Coach

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Colleen Cray grew up in West Kingston, R.I. She had her first swim lesson at 9 months old, and has loved the water ever since.  At age 6 she joined the South County YMCA team. At age 10 she was awarded most motivated swimmer on her team.  At age 12 she switched to Rams Swimming, a USA Swimming Club which swam out of URI. At age 16 placed 3rd in the open water mile swim at the annual Guard Games. And placed 2nd in an event called “the queen” which consisted of a swim, paddle, and row. She attended South Kingstown High School and her freshman year was the Div II 100 backstroke champion. Junior and Senior year her team placed 1st at the Rhode Island Girls State Meet. She swam with Rams until she attended The University of Rhode Island.  Attended Speedo Sectionals with her a Rams relay team. Her favorite events were the 200 free and the 100 back.

Colleen started coaching with Envious in the fall of 2016. She primarily coaches the 12&unders but enjoys opportunities to work with the senior groups.

Her favorite thing about coaching is teaching young athletes just how much they are capable of.  She also enjoys learning about the sport of swimming at an international level. Colleen was able to attend an Australian Swim Conference in Brisbane in May of 2018. She also loves meeting and talking to other coaches.

Wendy L Whitman

Program Coordinator - McDermott

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Wendy has been involved with Envious Swimming since 2010, first as a learn to swim mom and then as a volunteer at the pool helping with registration. She became the Office Manager in 2012 and have since become Program Coordinator.  Besides running the learn to swim program at our Warwick location, I am also the mother of two and a competitive figure skating coach. 

Leslie Murtagh

Learn to Swim- McDermott

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Leslie started teaching  in 2011 at The Works Health and Family Fitness Center in Somersworth NH.  She then traveled to the Town of North Providence pool to continue her teaching career.  Her journey started with Envious Swimming in June of 2014, where her children will also continue there Learn to Swim success at the Envious Swim School.

Board of Directors

Marshall Gavin Muir

Booster Club President

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Marshall Gavin Muir

Booster Club Vice-President

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Deborah Ignagni

Booster Club Treasurer

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