ABOUT

Alexander MacKellar and Keeley Phillips (both former collegiate players with over 17 years of combined coaching) founded the Mack Phillips Tennis Academy in 2019. We offer a tennis experience catering to all age and skill levels. We look forward to sharing our passion and knowledge of the sport with you!

Keeley Phillips
Head Coach

Coach Keeley has been playing tennis seriously for over 8 years and coaching for over 7 years. She attended Cedar Ridge High School where she was awarded team MVP and played #1 mixed doubles. After High School she continued her playing career as a member of the women’s tennis team at Concordia University Texas. She graduated in 2020 with a major in Business Administration and a minor in Kinesiology. Coach Keeley’s favorite things about tennis are its ability to bring communities and families together, and the fact that it is a lifelong sport! Her coaching approach is very tailored to the player and their goals; however, she is a firm believer in creating strong fundamentals to prevent injury and allow players to reach their full potential. She has experience working with kids ages 2 all the way to seniors and all skill levels. When she is not on the court, she enjoys running, baking, DIY projects and spending time with her family.

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Alexander Mackellar
Head Coach

Coach Alex began playing tennis at age 11 and has been coaching tennis for over 10 years. He attended Belton High School and was a member of their varsity tennis team. After High School, he joined the United States Navy. He spent 2 years in Washington D.C. at the Nation’s capital as a Ceremonial Guardsman. Then, he spent his last 2 years stationed in Bahrain. After the service, he attended the University of Mary Hardin-Baylor where he was a member of the tennis team and graduated in 2019. After graduating, he knew he wanted to follow his passion, tennis, and has been coaching full time ever since. Coach Alex’s coaching style is always adapted to the individual to best suit their needs and goals.

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Simon Carandang
Coach

Coach Simon began playing tennis in High School. Through hard work and dedication to the sport, he was able to advance his playing career and is currently a member of the Texas Lutheran University Tennis team while he is pursuing a degree in Applied Physics. His favorite player is Roger Federer. Simon’s coaching style is all about helping players develop their own game style. Through teaching the fundamentals, he will help guide you into developing your own, unique style. Whether you are looking to learn the basics, or enhance your game, Coach Simon is here to help you.

Will Cheung
Coach

Coach Will started playing tennis his sophomore year of high school where he fell in love with the sport. With a driving passion to improve, he worked tirelessly on and off court to enhance his game. He continued his career as a member of the men's division 3 tennis team at Rutgers University where he graduated with a bachelor's degree in Economics. During his time in college, Will coached at summer camps for 3 years and worked with individuals throughout all age groups and different skill levels. Will's focus is on building a solid foundation, proper footwork and technique so that individuals can leverage in their future games/matches. 

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Coach Sarah
Coach

Coach Sarah Sedory (likes to be called Sedory)  has been playing tennis since she was 8 years old and has been coaching tennis for the past ten years. She graduated from H.M. King HS in Kingsville TX, where she played varsity tennis all four years. Afterwards, she played competitively in college for all four years at the University of Mary Hardin- Baylor and became a graduate assistant coach for one year during her masters program. During her time in Belton, Sedory coached at the University of Texas Longhorn Tennis Camp for 5 years. After graduating from graduate school, Sedory worked at South Belton M.S for one year and then transferred to Kaufman to work at the middle school as a communications teacher and tennis coach. There she coached not only middle school but also high school tennis. The past year she helped coach the varsity team to state for 4A Team Tennis and spring individual. Currently, she works at Active Sports Therapy in Round Rock as the office manager, but still wants to spread her passion of tennis through coaching. Sedory’s coaching goal is to inspire players to love the sport first and then do what it takes to help each player succeed. She enjoys, and is qualified to work with players of all ages and skill levels. She can’t wait to meet you on the court!

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Jacob Lawrence
Coach

Jacob started playing tennis when he was in 6th grade. He was a member of his high school team where he was awarded 2nd place in district for doubles his senior year and 3rd in 5A regionals (lost regionals to the eventual 5A state winners). Jacob's favorite tennis players include: Federer for his mental game, Thiem for his clean strokes and Feliciano Lopez for his serve, volleys and heart, and Kyrgios for his talent and fire. Coach Jacob has experience coaching kids ages 5 all the way to adults. He is currently attending The University of Texas where he will graduate in May 2022 with a BSN and hopes to eventually become a CRNA. 

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Chloe Colvin
Coach

Coach Chloe has been playing tennis for almost a decade now and coaching for the past five years. She attended Deer Park Highschool where she was team captain, played #1 girls doubles, and #2 girls singles. Currently, Chloe plays club tennis for the University of Texas at Austin where she is majoring in Government and Sociology. Before moving to Austin, Coach Chloe worked as a teaching pro at South Houston Tennis Academy and this past summer was the head tennis coach at a Summer Camp. Coach Chloe enjoys working with all age and skill levels. She can’t wait to help you achieve your tennis goals!

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Chris Popso
Coach

Chris started playing tennis his freshman year of high school where he played 1st singles. After High School he continued his playing career as a member of the men’s division 1 tennis team at Rider University where he claimed 1st singles and doubles as a walk on his freshman year. He graduated in 2017 with a major in Finance with a minor in economics and currently works in asset management. Chris’s focus is on proper technique, situational awareness, and building a strong mental game translating into better match results. If you’re passionate about the game and want to develop, I’m your guy! When not on the court, he enjoys reading historical non-fiction, cooking, and anything outdoors.

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Adrienne Tran
Coach

Coach Adrienne started playing tennis in elementary school. She has experience coaching in both the private and group setting as well as a mentoring students on her old high school tennis team; both of which allowed her to work with players of all age and skill levels. Coach Adrienne believes in creating a fun and positive learning environment where players can find passion for the game of tennis. She went to Cedar Ridge High School where she played on the tennis team all four years and placed 3rd in districts for girl’s doubles. Following high school, Adrienne attended the University of Texas at Austin where she was an intramural tennis champion for girl’s doubles. In May 2021, she graduated from UT with a Bachelor of Science in biology and is now studying to take her MCAT with hopes to attend medical school and pursue a career in pediatrics. Adrienne currently works as a tennis coach, pharmacy technician at CVS, and medical scribe.