USPTA CERTIFIED (since 2003); PTR CERTIFIED (since 2016)

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Mike’s goal is to deliver an amazing lesson every time he steps on the court.

He has been a part of the New Jersey tennis community for most of his life. After playing Division I tennis at Seton Hall University, Mike launched his professional teaching career at West Orange Tennis Club in NJ (1992 - 2008).  He later became the Head Tennis Professional at the Tennis Center of the Black Hills in Rapid City, SD. Upon returning to his NJ roots, Mike assumed the title of Assistant Racquets Professional at The Short Hills Club. More recently, he was Senior Tennis Professional at The Strand Tennis Center in Chatham, NJ for a number of years.

At Murray Hill, his passion for teaching is as strong as ever. He works hard at honing his craft, and keeping his teaching fresh. Mike is also an avid racquet technician with over 25 years of experience stringing and repairing tennis racquets.

Mike lives with his wife and two adorable daughters in Lake Hiawatha, NJ.

Jason Thomas

Director of Junior Development 

Jason is a native of Chicago, Illinois.  He earned a scholarship to play at Hamilton College in New York.  After graduating, he worked at Midtown Tennis Club in Chicago where he became Director of Junior Development for their 10 & Under program.  He comes to Murray Hill most recently from Chelsea Piers in Connecticut where he was also Director of Junior Development.

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Tennis professional

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Yhonny started playing tennis as a seven-year-old ballboy in the Dominican Republic and became the #1 Junior in his country before coming to the United States, where he trained at IMG Bollettieri Tennis Academy, under the guidance of Nick Bollettieri. Competing on the ITA Junior Circuit, he had wins over Andy Roddick, Dmitry Tursonov, Mardy Fish and his early doubles partner, Victor Estrella Burgos. Yhonny also led a Mid-Atlantic team to three Gold Medals in the U.S. Junior Olympics. After leaving Bollettieri, Yhonny trained under University of Kentucky Tennis Coach Dennis Emery, and trained in conditioning under Pat Etcheberry.

In high school tennis, while a student at St. Benedict’s Prep in Newark, Yhonny won the New Jersey State Preps Championship for each of his three years. During his one year at Cambridge Ridge and Latin H.S. in Cambridge, Massachusetts he led his team to the Massachusetts #1 ranking, and made the Boston Globe’s All-State Team. Winning a full tennis scholarship to Temple University, Yhonny played #1 singles and doubles for four years and did a stint as the team’s assistant coach, before returning to New Jersey as a teaching pro, specializing in High Performance at both Centercourt and P3 before joining Murray Hill Tennis & Fitness.

Yhonny is PTR Certified, Certified in USTA High Performance Coaching and Etcheberry Tennis Conditioning, and is a member of the USTA High Performance Committee for the Eastern Section. He lives with his wife, Ebony, and two tennis-loving kids, Gabriel and Yohany, in Summit, NJ.



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Jhon was born in Peru and grew up playing tennis in the Federación Peruana de Tennis. 

Jhon is USPTA certified, and has been coaching tennis for over ten years. In addition to camps and clinics, Jhon has coached high school tennis at Kent Place School and Pingry School. Jhon has led Pingry tennis to six sectional state championships and two group state championships.

Currently, Jhon is pursuing his Professional Tennis Registry (PTR) Master of Tennis Certification in High Performance. Jhon joined the Murray Hill staff in October 2015.



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Karolina was born in Tashkent, Uzbekistan and started playing tennis at seven years old.

Karolina came to the United States when she was 18 to study at Campbell University in Buies Creek, North Carolina where she played number one singles for three seasons. In her first year, she was Freshman of the Year and All Conference for four years.

Karolina was also on the Dean’s list for three years. She graduated in December 2014 with a BS in Marketing and Business Administration.



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Beatrix has had a successful and varied career in tennis. A leader in the international tennis community, she was the #1 ranked player in Hungary in 1976. In the European Championships, she finished as a semi-finalist in both the womens and mixed doubles categories. She played in the Fed Cup for Hungary, on the grass at Wimbledon, the red clay in the French Open and the hard courts of the US Open! Her highest WTA ranking was 106. She played against Martina Navratilova (she won one of the two meetings!), Virginia Wade, Mary Carillo and others.

Beatrix has been a certified USPTA tennis professional for 18 years, and has more than 20 years of teaching experience. She was the Director of Tennis at Columbia Racquet Club from 2007-14. Beatrix lives in Chatham, NJ.



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Maria began her tennis career at age eight. After playing number one singles for four years in high school, she earned a scholarship, and played four years of Division I tennis at Seton Hall University. She is PTR certified for 10 & Under. She has worked as head tennis instructor for Berkeley Heights Recreation for the past seven years, teaching both adults and children. She has been a teaching pro for Murray Hill for three years, specializing in the 10 & Under age group. She is a USTA member and loves playing on teams in the spring and winter.



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Barbra Kogan is a USPTA and PTR-certified tennis professional, and has taught tennis at Murray Hill for over eight years. She played both high school varsity tennis, and Division I tennis at Bucknell University.

In recent years, she has worked with with the Summit Tennis Association, The Strand Tennis Center, and with the Pro Smart Tennis Academy.

At Murray Hill, Barbra enjoys working with children and adults, and also runs tennis parties for the club. Barbra lives in New Providence with her husband and two teenage sons.



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Adam started playing tennis at the age of seven and had a successful career. After winning a New Jersey state championship in 1990, Adam went on to the University of Michigan where he played varsity tennis from 1992 to 1995. In his 16 years of coaching, Adam has worked with and helped develop over 200 USTA nationally ranked players and five New Jersey state singles champions.




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Brett Michel has been a certified USPTR professional since 1991. His teaching career began as a Staff Pro and Assistant Manager at the Twin Oaks Tennis Center in Morristown, NJ in 1991. In 1999, he was promoted to Director of Tennis and General Manager of the club, and served in that capacity until 2010.

Upon leaving Twin Oaks, Brett began teaching at Columbia Racquet Club in Florham Park, NJ during the indoor season, and remained at the club until last year. During the outdoor season, he is a pro at the Noe Pond Club and is their Junior Team Tennis Coordinator.

In addition to his professional teaching, Brett is the Head Varsity Tennis Coach for the Morristown Beard boys and girls tennis teams. He played high school tennis at Morristown Beard and collegiate tennis at Drew University. Brett achieved USTA rankings in the Men’s Open Singles (#32 in 2000), and Men’s 25’s (#2 in 2000). Brett lives in Chatham, NJ with his wife and two kids.