Coaching Staff

We are here to support your swimming needs. If you have questions regarding workouts, meets, events, goal setting, or any other concerns, please do not hesitate to contact us at


Head Coach - Teresa Coan

 Coach Teresa, USA Swimming Certified Coach,   has been involved in competitive swimming for more than a decade and brings to the Waves a wealth of knowledge and coaching experience amassed at the high school, age group, and international levels. Before joining the Waves in 2011, Coan was the head swim coach at Rabun Gap-Nacoochee School, where her swimmers won individual NCISAA 3A State and CAA conference championships, in addition to setting numerous school and conference records. Coach Teresa has coached for several age group swim teams, and has led swimmers to compete at the State, Sectionals,  Futures Championship Meet, NCSA Junior Nationals, Speedo Junior Nationals,  US Open Swimming Championship, US Paralympic World Trials, US Paralympic National Meet levels. Additionally, Coan is highly involved in disabled swimming. Her daughter, McKenzie, is a paralympian who currently competes for the Loyola University Greyhounds in Baltimore, Maryland.  Coach Teresa focuses on stroke technique, endurance training  and teaching the importance of individual goal setting to motivate CW-GA swimmers.  


Assistant Coach - Ranee Pattison

A veteran swim coach, Coach Ranee is a USA Swimming-certified coach and a member of the year-round staff at the Waves whose passion for working with children and providing stroke instruction shines through in all that she does.


Assistant Coach - Grant Coan

A former age group and college club-level swimmer, Coach Grant is a year-round, USA Swimming-certified coach at the Cumming Waves. Coach Grant has a degree in biochemistry from Georgia Tech and loves to share his passion for swimming with the next generation of Cumming Waves athletes. Coach Grant has pursued continuing education in coaching athletes challenged with disabilities and he has a strong interest in adapted swimming.

Coach Katerina Flanders, USA Swimming-certified coach, has over 15 years of exemplary teaching experience along with a variety of coaching experience.  Over the years, she has had the privilege of working with a wide range of students from infants to adults with a variety of backgrounds including Special Education students, English as a Second Language students, and Gifted students.  With her 3 degrees focusing on Leadership, Instruction and Assessment, and Math and Science, she uses a variety of strategies to teach swimmers ways to meet and surpass their goals. Throughout her career, she has used her swimming experience from her young adult years to continue to give back to the community and spread the love of swimming.  Coach Katerina understands the development of the whole child and strives to ensure swimming remains fun even when the “work” gets hard!