The people behind the program

Meet the Coaches

Brainiac Tennis brings portable, professional, smart-play coaching to schools, community centers, JCCs, and Ys across Boca Raton, Ithaca, and Boston. These are the coaches who show up with the equipment, the energy, and the plan — and stay with you from the first rally to match day.

Brainiac Tennis coaches

Esther Forrester, founder and head coach of Brainiac Tennis

Founder & Head Coach

Esther Forrester

A former Division I collegiate player, Esther has spent nearly twenty years teaching the game — including 10+ years building and running programs for kids. Her whole approach centers on smart play: strategic patterns, tactical decision-making, and the confidence to be truly match-ready. And with her energy and humor, lessons fly by in a snap.

Former Division I player

Competed at the collegiate D1 level and has been nationally ranked in the 30-and-over category.

10+ years running kids' programs

Nearly two decades teaching overall, with 10+ years building and leading programs for children.

Coached at the highest levels

Has coached the Empire State Games and Tennis Europe — bringing elite experience to every court.

Smart play & tactics first

Esther emphasizes strategy and decision-making so you don't just hit well — you win smarter.

Bovie Liu, tennis coach at Brainiac Tennis, holding a racket

Coach

Bovie Liu

  • Private lessons coaching for close to a year
  • Coaching assistant across multiple summers
  • High school varsity competitor
  • College club tennis player

My goals are to teach good technique and help students grow a true enjoyment and passion for the game.

Mark Rubin, tennis coach at Brainiac Tennis

Coach

Mark Rubin

  • Top 500 ITF player
  • 11 UTR competitor
  • Former Division 1 player, Saint Joseph's University
  • 2 years coaching in London, UK & the USA

As a top 500 ITF player and 11 UTR competitor that used to represent Saint Joseph's University in Division 1 tennis, I bring plenty of experience and passion for the game to my coaching. I have coached players from different levels in London, UK and USA for the past 2 years. My coaching is prepared to meet the unique needs of players of all ages and skill levels, from beginners to advanced competitors. I am dedicated to helping each player get better with each session!