Coaches and Staff

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 Marshall at or call (401)286-4107

Coaching Staff

Marshall Gavin Muir

CEO/ Director Of Coaching/ Owner


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.

Coaching Achievments:


-          Level 1 Coach 2002
-          Bronze Level Coach 2002-2003
-          Level 2 Coaching Principals Coach
-          Silver Level National Coach 2003 – Current
-          NSW 12 years and under State coach
-          Australian Age Record Holder
-          2003 National Age 3rd Place team
-          2003 Cumberland Champions
-          2004 NSW State Open Water Champions
-          2004 NSW State Age Long Coarse Champions
-          2004 NSW State Open Long Coarse Champions
-          2004 NSW State Overall Long Coarse Champions
-          2004 Metropolitan Short Coarse Champions
-          2004 NSW Open Short Coarse Champions
-          2004 NSW Age Short Coarse Champions
-          2004 Metropolitan Long Coarse Champions
-          2004 State Age Distance Champions
-          2004 National Age 4th Place Team
-          2004 Cumberland Short Coarse Men’s Champions
-          2004 Cumberland Short Coarse Winter Women’s 2nd Place Team
-          2004 Cumberland Short Coarse Champions
-          2004 Cumberland Long Coarse Champions
-          2003 National Finalists
-          2004 National Age Medalists and Finalists
-          2004 Ranked athletes in the top 10 Nationally
-          2004 ranked athletes in the top 20 Nationally
-          2004 Number 1 ranked 200m Butterflyer in the Country 11 years
-          2005 - 2006 National Age Medalists and Finalists
-          Multiple National Age Swimmers 
-          Multiple National Open Swimmers 
-          Multiple National Age Medalists
-          Multiple State Open Medalists 
-          Multiple State Age Medalists 
-          Multiple Metropolitan Medalists 
-          Multiple National Open Water swimmers
-          Multiple National Open Water Medalists
-          2007 Created Envious Swimming
-          USA Certified Registered Coach
-          2007 - Current - Developed multiple Regional, Age Group and Sectional Qualifiers
-          2007 - Current - Developed multiple top 10 Age Group Swimmers
-          2012 Started 2nd site for Envious Swimming at Bryant University
-          2013 Started 3rd Site for Envious Swimming at Cumberland High School
-           2014 Launched Envious USA - A swimming equipment customization comapny

Wendy L Whitman

Front Desk- McDermott


Jeffrey T Miksis

Director/ Head Coach-ENVY - Cumberland


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. He still holds a record in the 200 freestyle relay.  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.

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 the Bryant location. He is the primary coach of the senior group at Bryant, and oversees the location.

Cheryl Boyd

Head Learn to Swim Instructor- McDermott


Cheryl has been with Envious Swimming for over 5 years. Cheryl came to our program with over 30 years of learn to swim experience. She has a unique tough but sensitive style that helps bring the best our of each child that she teaches. Cheryl helps to mentor and evolve our instructors into better instructors. 

Leslie Murtagh

Learn to Swim- McDermott


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.

Catherine Sales

Learn to Swim Cumberland


Board of Directors

Marshall Gavin Muir

Booster Club President


Marshall Gavin Muir

Booster Club Vice-President


Deborah Ignagni

Booster Club Treasurer