Hleb's stellar junior tennis career in Belarus helped him receive a college scholarship in the US. He graduated in 2012 from the University of North Florida, spending the last year as an Assistant Coach for the men's tennis program. As a player, he helped achieve the program's first D1 individual, doubles, and team national rankings. During his collegiate tennis career, Hleb was a two-time NJCAA All-American and received multiple Atlantic Sun All-Conference awards. Upon graduation, Hleb worked at the Ross School in East Hampton, NY for four years. He served as a program coordinator for the tennis academy and a touring coach for the tournament players. He traveled with students to all of the national championships and international competitions, such as Eddie Herr and Orange Bowl. Many of Hleb's students played collegiate tennis after graduating from Ross School. While at Ross, Hleb actively competed in tournaments winning over 25 Prize money tournaments in singles and doubles. Hleb graduated with a master's degree in organizational management from St. Joseph's College in 2016.
He received a GPTCA (ATP) coaching certification shortly after and spent time working in Germany with players of all levels, including current WTA and ATP players. Additionally, Hleb played for professional tennis clubs in Germany and Austria and reached a 14 UTR ranking as well as ATP Singles and Doubles ranking.
Hleb served as a coach for Amanda Anisimova from July 2021-April 2023.
Simona grew up playing tennis in the South of Germany, and her successful junior career resulted in a college scholarship at the University of North Florida. She finished her decorated college career with multiple NCAA appearances and ASUN championships and recorded the school's best 83 wins. For her commitment and dedication at the University of North Florida, she was named Female Athlete of the Year in 2014 and indicted into the Hall of Fame in 2023. Moreover, she excelled academically, graduating at the top of her class. Upon graduation, she worked at the Ross School in the Admissions department and the tennis academy. She worked as a coach for all levels as well as a traveling coach for high-performance players. After moving to Florida, Simona received an MBA in Sport Revenue Generation from Nova Southeastern University in Ft. Lauderdale. She spent time working for Wilson Sporting Goods in Munich, Germany, and competed as a player on European club teams. Simona is a member of WTCA, a Women's coaching association dedicated to promoting a nurturing and cohesive structure for female players, including supportive tournament environments and pathways to education.
Simona and Hleb competed as a team in the US Open Playoffs, clinching the Eastern and New England spots into US Open Qualifying in 2014 and 2015. They won USTA National Indoor Championships in 2014 in Mixed Doubles and were ranked #1 in Mixed Doubles in the Open Division in 2015.