Stephanie Huang

Stephanie, the founder of Ultra Performance Academy, brings a wealth of knowledge from her background in Kinesiology and Physical Education, enabling her to grasp the mechanics of tennis with precision. Her exceptional ability to communicate with children, coupled with her dedication and passion, ensures that she wholeheartedly invests in each child's development.

  • Lead coach for all levels

  • Head coach for elite and high-performance clinics

  • USTA Certified Professional Coach

  • WTA Coach Certification

  • USTA Safe Play Approved

  • 15 years+ coaching experience at all levels

  • Top 5 in Taiwan Juniors

  • #1 singles and doubles for college team

Coaches

Francis Sargent

Francis, once ranked #1 in the UK under 18, played D1 college tennis at BYU for four years, excelling both academically and athletically. A highly accomplished player in his youth, he gained extensive experience competing at the top levels. Francis has also served as an assistant coach at UC Berkeley and Stanford University. With his wealth of experience and passion for the game, he is eager to pass on his knowledge to the next generation and elevate their skills to new heights.

  • Ranked #1 in UK under 18

  • Played D1 college in singles and doubles

  • Assistant coach for Stanford University

  • Assistant coach for UC Berkley

  • USTA Safe Play Approved

Li Jing

Li Jing played at a national level throughout his junior career. As a high-achievement player, he leverages his experiences to coach others effectively. He has coached for the national team in China, pushing players to their limits. Now, he is a well-known coach in the Bay Area, helping high-level junior and adult players reach their full potential with his extensive experience.

  • Lead coach for all levels

  • Winner and finalist of various singles and doubles Chinese national tournaments in 2000-2003.

  • Coaching experience in Chinese women’s national tennis team and Chinese junior tennis national camps.

  • Coaching top chinese junior players who won the national junior tournaments.

  • College tennis instructor in Guangdong China.

  • 15 years+ all level coaching experiences

Leon Bax

Leon Bax is a scientist and performance coach with years of experience guiding high-performance and professional athletes (including WTA and ATP professionals). he is the founder and With a unique background in medical science (PhD in clinical epidemiology) and a lifetime of experience in competitive sports, Leon founded 2Mynds to make training toward mental fitness a normal, proactive part of life. Leon will personally support Ultra Performance Academy with private mental fitness training sessions on the court for any player who uses the 2Mynds platform. Inquire about booking a lesson via the link below.

  • Lead peak performance coach

  • RSPA Certified Elite Tennis Coaching Professional

  • USTA Certified Professional Coach

  • USTA Safe Play Approved

  • Former physical therapist, PhD in clinical epidemiology

  • Top-ranked junior in tennis & judo in the Netherlands

  • Played D1 Tennis at UT San Antonio

Rodrigo Perez

Rodrigo, originally from Santiago, Chile, has competed at a high level in ITF junior tournaments and D1 college tennis in New York. His dedication to the sport allowed him to form lasting friendships and valuable connections throughout his journey. He earned both academic and athletic scholarships at Wagner College.

  • Lead coach for YB1 and Green Dot

  • Assistant coach for YB2 and YB3

  • USTA Development Coach (ongoing)

  • USTA Safe Play Approved

  • Played #1 singles and doubles for 4 years

  • Finished top 3 best doubles partners in the NEC Conference

Meet Our Tennis Coaches — Bay Area's Most Experienced Coaching Team

The coaching team at Ultra Performance Academy in Santa Clara, CA combines elite competitive experience with deep teaching expertise. Every coach below is available for private lessons, group clinics, and summer camp sessions at Mission College.

Stephanie Huang — Founder & Head Tennis Coach

A former top-5 junior competitor in Taiwan and #1 singles and doubles player for her college team, Stephanie brings elite competitive experience to every lesson. Holding both USTA Professional Coach and WTA Coach certifications, she specializes in developing junior players for USTA tournament competition across the Bay Area — from beginner foundations to high-performance match preparation. Parents throughout Santa Clara, Sunnyvale, and Cupertino trust Stephanie and the Ultra Performance team to guide their children's tennis development.

Francis Sargent — Elite Coach, Former Stanford & UC Berkeley Assistant

Former assistant coach at Stanford University and UC Berkeley, Francis brings collegiate-level coaching expertise to high-performance juniors and adults.

Li Jing — National-Level Coach, Chinese Women's National Team

Former coach for the Chinese women's national team, Li Jing specializes in developing technically sound, tournament-ready players.

Leon Bax — Peak Performance & Mental Fitness Coach

PhD-trained WTA/ATP performance coach, Leon focuses on the mental and physiological foundations of high-level competitive play.

Rodrigo Perez — Development Coach, USTA Development Certified

USTA Development Certified, Rodrigo leads junior development programs from beginner Green Dot to early competitive play.

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