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 Swim America Learn-to-Swim lessons please contact Nancy Knowles, the Program Director. For all questions related to administrative, such as dues, safety, or policy issues, click the "Policies" tab or please contact Andy or Nancy Knowles.

Coaching Staff

Percival A Knowles

President & CEO


Olympic swimmer and 6 time Olympic coach for The Bahamas. Level 5 Distinguished International Coach with ASCA. Swimmers include numerous medalists at all of the regional championships, finalist and medalists at PAN AM Games, finalists at SC World Championships and semi finalist at the Olympics.

Nancy C Knowles

Administrator and Program Director


Swim America Program Director. Level 2 coach with the American Swim Coaches Association. Certified Royal Life Saving Association and Surf Life Saving Association instructor.  Over 35 years of teaching/coaching experience.

Stephanie L Sands

Swim America Site Supervisor


ASCA Level 2 coach and Swim America Site Supervisor at St. Andrew’s School Pool. Stephanie runs the Learn-to-Swim programme at Summit Academcy and assists St. Andrew’s School with their primary school swim program. She offers private and semi-private lessons for children of all ages and adults. Stephanie attended her first ASCA World Coaches clinc in Las Vegas September 2008.

Janell Bethel

Swim America Site Supervisor



Janell has worked with SWIFT Swimming for the past six years. She began by offering to help teach the children in the Pre-school classes while her youngest son was taking lessons. It wasn't long before we realized what a great job she was doing and offered her a job. Janell’s background in teaching and her combination of patience and firmness is just what is needed to be a successful Pre-school coach. Janell is a fully certified Swim America Site Supervisor and oversees the Swim America program at the St. Andrew's pool. Janell is available for privatre lessons with Pre-school children and adults, and also runs a Water Aerobics class several times a week.


Lisa Jane Burn-Snow

Assistant Coach/Water Aerobics


Lauren Larissa Bethel

Swim America Coach


Lauren Bethel started coaching with Swift’s Swim America Program in the summer of 2012.  She continued to work with Swift during her breaks while pursuing her BA degree in Marketing from Liberty University.  She graduated with an undergraduate degree in May of 2016, and is currently working on her MBA. 

Lauren has her ASCA Level 1 Coaching and Swim America Infant & Pre-School Certificates. Lauren is very flexible and is able to coach all the Station levels within the Swim America program as well as assist with the Stroke Development & Fitness Group.

Christina Gabrielle Messarra

Aqua Therapist


       Dr Christina Messarra is a Physiotherapist and the Facility Director of PROVIDENCE REHABILITATION CENTRE (PRC). After graduating with an degree in Physiotherapy from McGill University in Montreal in 1990, Christina went on to complete and MBA from the Ivey Business school, University of Western Ontario in London.  In 2003, Christina returned home to Nassau to open PRC, which has grown to become Nassau's premier Physiotherapy service Centre.

        In 2014 Christina graduated from the University of St Augustine for Health Sciences with a Doctoral degree in Physiotherapy practice focused on Pelvic Health rehabilitation. Educating patients on the role of the core muscles and rehabilitating the core muscles to function optimally in posture, gait and function and are her passion.

        In 2016 Christina collaborated with SWIFT SWIMMING to offer access to Aqua Physiotherapy services that combine Christina's expert understanding of the human body and her skills as an experienced Physiotherapist with her understanding of the physical properties of water to offer patients a gentle, effective approach to core strengthening, gait retraining and general strengthening. 

         Aqua Physiotherapy services are covered by ALL local insurance plans including NIB, Colina, Bahama Health, Atlantic Medical, Generali, BAF, and Bahamas First with a Doctor's referral and will benefit patients regardless of age or ability.  When illness, injury or disease affects your quality of life simply call PRC at 323-0121 for more information about how you can begin PRC's Aqua Physiotherapy services.

Sara Dama Volponi

Baby Aquatics


Sara Dama Volponi is a certified Swim Babies Instructor with additional certifications in CPR and First Aid. Sara grew up in Italy where she developed a love for the sea and became an accomplished swimmer and Life Guard. In 2008 Sara moved to Nassau with her husband where her love for the sea continued to develop. After becoming a mother, Sara was concerned for her daughter safety around water, especially since she was living near a canal. After investigating programs that teach survival swimming, she came upon Swim Babies Swim based in Florida. Swim Babies Swim is the only Infant/Toddler Survival Swimming program in Nassau with a certified instructor. In 2008, Sara was certified by the Florida Department of Health after completing the Swim Babies Swim course under the guidance of Tracy Smith, the Program Founder and Developer of the program. In April 2017, Sara completed her annual re-certification with Swim Babies Swim. Sara shares her enthusiasm, energy and love of swimming with all the children she teaches. She believes no child should ever fear the water.