Formerly Davis Cup Player, 2 NCAA Final Four Team Appearances, 3 Top-five National Team Rankings Founder and director of Tier1-IBG tennis Academy. Coach of Alex Michelson and Learner Tien.

Former US Tennis Federation National Coach, Former ATP coach of Jason Jung ( career high of ATP 118),Former WTA coach of Ashley Kratzer (WTA 117) , Founder and director of Tier1-IBG Academy. Coach of Learner Tien and Alex Michelson.

Victor Castro is a former top-ranked junior and collegiate tennis player with a decorated playing and coaching background. As a junior, he captured over 15 national titles and represented Brazil in South American team competitions. He continued his success at Cerritos College and San Diego State University, earning multiple All-Mountain West Doubles selections and ranking in the NCAA Top 100 in doubles. Now a dedicated coach and mentor, Victor brings experience from both high school and collegiate coaching, with a strong focus on player development, mental toughness, and strategic growth.

Jwany Sherif is a former professional tennis player with WTA points and victories over top 200 ranked WTA players, achieving a career-high UTR of 11 and a national junior ranking of 3. With extensive coaching experience at Advantage Tennis Academy and Barnes Tennis Academy, Jwany has worked alongside tennis legend Nick Bollettieri. Specializing in personalized coaching, Jwany excels in developing technical skills, mental discipline, and fitness for students of all levels, creating tailored lesson plans to foster individual growth and match-play success.

Tennis Promoter and Investor

Charles is a PTR Certified Tennis Professional with 10 years of experience. He is the After-school Program Director at Tier 1 IBG and has developed numerous highly ranked juniors and Division 1 collegiate players. While establishing himself as a technique-focused coach, Charles has a proven track record to effectively maximize each student's improvement.