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Coaching Staff
Kevin Thornton Head Coach

Kevin began his coaching career in 1980-1981 with the Little Rhody Aquatic Club in Rhode Island. Since that time he has coached at clubs in Michigan, Florida, and North Carolina. Through the years, Kevin has coached swimmers of all ability levels: Learn-to-Swim, B/C swimmers, National Top 16, National Age Group record breakers, National Champions, NCAA Champions, Olympic Trial Qualifiers, World Record Holders, and Olympic Medalists including Dara Torres, Janet Evans, Summer Sanders, Anthony Nesty, Claire LeMore Walker and Allison Wagner. He has also coached at many International competitions for the USA, Venezuela, and Suriname.

Kevin was on the US Swimming National Coaching staff from 1992-1997. His club team in Florida, Swim Florida, won the Women’s National Championship in 1996 with the Men’s team placing fifth and the combined team placing third. He has been an American Swimming Coaches Association (ASCA) Certified Level 5 Senior Coach (designated by having swimmer(s) place in the top 3 at a National/International Competition) for 23 years and also a Level 5 Age Group Certified Coach (designated by have more than 50 swimmers hold Top 10 Nationals Achievements). ASCA Level 5 is the highest available certification awarded and this distinction is earned by only 1% of coaches in the country. Kevin is Swim GSA’s head coach and the lead coach of our Platinum Elite, Platinum and Silver Groups.

Kevin earned a B.S. in exercise science from the University of Rhode Island and a Masters in Exercise Physiology - focusing on swimming performance pre and post altitude training exposure in age group swimmers - from University of North Carolina at Greensboro. He has also had certification as a certified strength and conditioning coach (CSCA) from the National Strength and Conditioning Association.

Kevin, his wife Erica, and daughter Braedy - along with Bonkers (pet dog)- live in the Lake Jeannette area of Greensboro. 


Available at times, other than practice times, by appointment (Please call 336.392.5109 to set up meeting)


Katie Quillen Coach
Born and raised in Greensboro, Katie has been involved within the swimming community for 18 years, as a swimmer and coach. Her competitive swimming experience encompasses summer league, high school, and Swim GSA. Katie began coaching in 2009 and joined the coaching staff at Swim GSA in 2017. She currently coaches the Bronze, Gold Prep, Gold, Steel and Platinum training groups. Katie believes in technique-based instruction while challenging each swimmer to be their best self. She has a high enery and positive coaching style. Katie has helped coach NCS IMX, NCS Select Camp, Age Group Champs and Sectional Qualifiers. Katie is in the process of completing ASCA education Levels 1-5 and is a an ASCA Level 2 coach. Most recently, Katie was selected to serve on the 2020 NCS Select Camp and Zone Team Staff.
Katie earned a B.S. in Rehabilitation Services and a Master’s Degree in Clinical Counseling from East Carolina University. When Katie is not on deck coaching, she enjoys spending time with family and friends, eating sushi, watching football, and being outdoors. Katie loves being apart of SwimGSA and cannot wait to see you on deck! 
You can reach Coach Katie at (336) 681-8731 or [email protected]
Diane Quillen Coach
Diane has been involved in the Greensboro swimming community since 2000 when her 2 daughters started swimming. In 2007 she joined the coaching staff at SwimGSA.  She has a Level 2 ASCA certification. Diane began swimming at age 7 in Peoria, Illinois and continued swimming through high school with the Lynchburg, Virginia YMCA.  She loves teaching swimming and still competes at the state and national level as a US Masters Swimmer!! Diane graduated from Appalachian State University and is the owner of At Home Care.  She loves to swim, hang out with her family and 3 dogs – Simba, Nala and Daisy. Diane’s favorite saying is “Strong kickers make Strong swimmers!!”
Christina Rogers Coach

Christina has over 21 years of experience coaching swimming in North Carolina and Texas. She is ASCA Level 3 certified and has led swimmers to success at the Age Group Champs, Age Group Sectionals, NC Senior Champs, Senior Sectionals, and American Short Course Champs.

Christina focuses on teaching “smart” swimming with instructions and feedback geared towards technique. Christina’s 4 kids have all swam for Swim GSA; she hopes to share her passion and love for swimming with Swim GSA swimmers and families.

Christina earned a BA in Finance/Real Estate and an elementary teaching certificate from the University of Texas. When she’s not at the pool you can find her outside walking Myrtille (French bulldog) or at her firepit!