Each one was chosen based on their proficiency in instruction, their level of play and their enthusiasm for the game.

Chris Magner Director of Tennis MEET CHRIS

Chris Magner
Director of Tennis



Tennis Professional


LEO ROSENBERG Director of High Performance MEET LEO

Director of High Performance


Clive ULlyetT Tennis Professional MEET CLIVE

Clive ULlyetT
Tennis Professional


Chris Magner
Director of Tennis

Chris joins our program with over 15 yrs as a multi-talented and seasoned racquet professional from The Middlesex Club where he served 2 years as Head Tennis Professional. Prior to his position there, Chris was the Head Tennis Professional and Director of Platform at The Apawamis Club in Rye, New York, where he taught tennis, squash and platform tennis for over 10 years. During his tenure, the men, women and juniors captured numerous inter-club titles under his training and coaching.

He graduated and played D-1 college tennis at the University of Rhode Island, where he was highly ranked in both tennis and platform tennis by the USTA and APTA regionally and nationally, and also was a member on Dad Vail Championship crew team. Chris enjoys golfing and traveling on his time away from the tennis court and hopes to bring his knowledge and enthusiasm to the program here at Oak Hills.

Leo Rosenberg
Tennis Professional

Leo is a certified USPTA Professional with a successful junior tennis and Division I college career. He represented the United States 14’s and 16’s Jr. Davis Cup teams in singles and doubles with Donald Young (current top 75ATP player) and won the 14 & Under World Team Championship in 2003 defeating Japan with Kei Nishikori as one of their players. Leo was ranked as high as 64 ITF in the juniors at the age of 15, and 964 ATP while playing college tennis. In his sophomore year in college, he had record of 18 wins and 1 loss. Leo was mentored by some of the most successful coaches in tennis; these include Michael Sell, Allen Fox, Jose Higueras, Billie Jean King Jr., Eliot Teltscher, Jean-Claude Labout, Mikhail Chesalov, and Vesa Ponkka.
Leo has a background in high performance coaching, where he assisted the men’s team at George Washington University, and women’s team at Kansas State University. While at Kansas State, Leo mentored an aspiring WTA player who reached 600’s in the WTA within one year.  At JTCC in College Park, Leo was in charge of expanding the Champs high performance program, and worked with top national junior players. His training philosophy is to teach players to become problem solvers, to apply themselves, and train like each ball they hit matters- “being fully immersed in what you do, and practicing in the most disciplined, purposeful, and deliberate way will help develop the right habits. This kind of training is what makes champions, and it translates into every aspect one’s life.

Hanno Bartsch
Tennis Professional

Hanno is an USPTA certified tennis Professional from Pretoria, South Africa. During his junior playing career in South Africa he achieved a National Singles ranking as high as number 8, and was ranked as high as number 3 in doubles. He won the under 18 National Championships and represented South Africa nationally in 2007. Hanno attended the University of South Alabama, where he received two Bachelor’s degrees in Accounting and Management. During his division 1 college tennis career at South Alabama the team achieved a national ranking as high as 41 in the country and Hanno also received conference player of the week twice. 

Hanno is certified in high performance coaching and has coached numerous juniors ranked in the top 10 of Alabama, Georgia and in the Southern section while coaching at the RCS Academy (LifeTIme Learning) and the Mobile Tennis Center. Numerous of those players have gone on to compete at the Division 1 level, and on the WTA and ATP tour. In 2016 he was selected to coach the Spring Junior National Team Championships where his team finished second and received a silver ball. Hanno has also spent five summers coaching locally at the Tokeneke club where he has worked with ladies, men and juniors of all levels.

Clive Ullyett
Tennis Professional

As a junior in Zimbabwe Clive was top in the country in both tennis and squash. After moving to South Africa Clive competed at a top level in tennis, and in the 18's ended up in the top five in the country in doubles and top twenty in singles. In the years before attending the University of South Alabama Clive had a win over the world ranked team of Neil Broad and Stefan Kruger among others. Clive attended the University of South Alabama from 1990 to 1994 and holds an International Business Marketing degree and an MBA. As a player there Clive earned All-Conference honors in 1992, 1993, and 1994 in doubles and was named All-American in doubles with Peter Kuhn. This was after Peter and Clive had won the All-American National Hard court Tournament in Austin,Texas. In May of 1994, making its first ever NCAA Tournament appearance, the 6th seeded South Alabama team beat 3rd seed Auburn 4-0 in the Region III Tournament. Later that month Kuhn/Ullyett became the first doubles team in program history to earn All-American honors. In 2006 Clive was selected to the Sunbelt Conference 30-year Anniversary team, where South Alabama placed nine players. After competing in NCAA Division I tennis for South Alabama, Clive played satellites and futures for two years and was the Assistant Tennis Coach for the South Alabama men's and women's teams from 1996 to 1998. Clive has worked with nationally ranked collegiate and junior players and has been at Proform Tennis Academy since its inception. He has also played a significant role in coaching at The Tokeneke Club and The Field Club of Greenwich.