Our Tennis Professionals

Mary Herrick

Founder/CEO YellowBall TennisUSPTA Elite Tennis Professional

Mary has developed a number of accomplished tennis players including state champions, Division I collegiate athletes, and two National AAU Junior Olympic Gold Medal Teams. She previously served as a coach for nationally ranked players for the United States Tennis Association (USTA).

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Aziz Hoosenally

USPTA Elite Professional

Aziz grew up in Hong Kong where he played high school tennis at German Swiss International High School. He came to the U.S. to attend the Nick Bolletieri Tennis Academy (now known as The IMG Academy) before playing 2 years of collegiate tennis at Eastern Michigan University.

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Brian DeHaven

Certified Instructor<br /> Professional Tennis Registry

Brian DeHaven is a Professional Tennis Registry certified instructor who has been developing tennis players in the Cleveland area since 1999. His love for tennis began early in childhood and he went on to play collegiate tennis.

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Gabby Wegner

Tennis Instructor

Gabby is currently attending college as a sophomore at the University of Mount Union. She is majoring in Exercise Science and minoring in Business, while playing on the tennis team.

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Adam Krueger

Tennis Instructor

Adam is a rising sophomore at Vassar College and majors in economics, while also playing on the tennis team. During high school he played tennis for Bay High School in Bay Village, Ohio, where he qualified for the state singles tournament three years.

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