Jennifer Gelhaus, The Club at Renaissance
Director of Racquet Sports
September 8, 2026
Jennifer Gelhaus was four years into a career in molecular biology, on track for a PhD, when she quit to coach tennis full time. Fifteen years later she has built racquet programs at Maidstone Club in the Hamptons, East Chop Tennis Club on Martha's Vineyard, Oyster Harbors Club on Cape Cod, and The Club at Renaissance in Southwest Florida. She hosts the Vida Tennis Podcast and co-hosts Power Players with the Directors Club of America.
Key Takeaways
- Leaving a molecular biology career to coach tennis full time.
- Building racquet programs at clubs in the Hamptons, Martha's Vineyard, Cape Cod, and Southwest Florida.
- Walking into tradition-heavy clubs as a young woman and Venezuelan-born coach.
- Why directors need to treat their programs like a business.
- The first-90-days mistake new directors make when they spend all day teaching instead of learning their members and staff.
More episodes
Evan Dechtman, TopSpin Digital
Founder
A short introduction to CourtSide: why we are building a long-form interview series for the people running racquet sports, what each episode looks like, and how to be considered as a guest.
Andy Zodin, Columbine Country Club
Director of Racquet Sports
Andy Zodin on 15 years running racquet sports at Columbine Country Club, what a director actually does day-to-day, the ownership conversations that never go away, staffing teaching pros in 2026, and how private clubs are handling pickleball.
Julius Gavin, Tennis University
Independent Tennis Coach, Founder
Julius Gavin, known online as tennis.god, has nearly 90,000 Instagram followers, charges $1,000 for six hours of coaching, and claims he can build a complete tennis game in 40 hours. We get into the math behind the program, the fraud accusations, the real economics of driving thousands of miles with a trunk full of balls, and how short-form content converts a viewer into a paid client.

