Vivian Wu is the president and founder of All Stars Tennis. She is a well-known and accomplished player for the USTA (United States Tennis Association) circuit. She played at line #3 in her freshman year at Providence High School, being awarded "phenomenal freshman" by her coach. She moved up one line and in her sophomore year, she played as line #2. She has won many tournaments, her highlights being the NCHSAA (North Carolina High School Athletic Association) dual team state champion along her team at Providence High School (2024), and National Level 4 Greensboro Champion (2024). In both years of her high school career, she was recognized as an all-conference and all-state player. She is known as one of the top high school tennis players in Charlotte and North Carolina, as stated by the Charlotte Observer. In 2025, she competed individually in the NCHSAA doubles state championships and came in second place. Her highest ranking in the state of North Carolina was #18.
Asees Singh is the vice president and co-founder of All Stars Tennis. She has been playing competitive tennis since the age of 9 (currently 16) for the USTA (United States Tennis Association) circuit. She has won several Level 5 tournaments and competed in both level 4 and level 3 USTA tournaments. She currently plays for line #1 in the varsity team at Weddington High School, and was the only one from the school team to qualify and compete at the regional level in her freshman year, earning schoolwide recognition and a featured article highlighting her achievements.
Pranav Premkumar is a coach at All Stars Tennis and a dedicated tennis player with a strong background in both competitive play and player development. He competed at the varsity level throughout middle school, playing lines #3 and #4 in 8th grade with only one loss. Pranav is deeply committed to the sport and is often nicknamed the “Left-Handed Roger Federer” for his calm demeanor and stylish play. He has coached players ages 6–13, receiving over $15,000 through individualized training focused on fundamentals, match play, and skill development. He has also worked as a tennis assistant coach and in Tennis Operations at Life Time, gaining valuable hands-on experience. His competitive background, coaching success, and strong tennis IQ reflect his commitment to developing young athletes and growing the game of tennis.
Mason O’Brien is a coach for All Stars Tennis with years of playing experience and training/conditioning. He competitively plays USTA tournaments and has played 2 years of varsity tennis, finishing 13-3 at line #3 singles and playing line #2 doubles for Providence High School in his sophomore year. He also competed in NCHSAA Regional tournaments for doubles both years.
Samat Kramin is a dedicated coach for All Stars Tennis. Samat has been playing tennis since he was 4 years old, and he is extremely passionate for the sport. He constantly plays tournaments every year and increases his tennis IQ and skills. He also played line 2 for his high school and had an undefeated season for singles by playing line 2 (and occasionally line 1). In addition, Samat’s tennis highlights include being a NCISAA All-State player and a CISAA 1st team All-conference player—all in his freshman year of high school (2026). Other than school tennis, Samat competes in USTA level tournaments and has won multiple L6’s and an L5.