"Probably the most qualified tennis coach available for private and group instruction in the United States." The TennisDr, Jonathan Bailin, PhD, USPTA--Tennis Coaching & Sport Science is located in Marina Del Rey California but also teaches tennis lessons for the greater Los Angeles, California area. Jonathan has been a USPTA Certified Tennis Professional for over 20 years and still teaches 20 hours of tennis a week privately. Jonathan Bailin Ph.D., USPTA, the TennisDr specializes in tennis lessons, tennis training, tennis instruction, qualified tennis coaching, live ball tennis lessons, cardio tennis, private tennis lessons, adult tennis lessons as well as Children's and group tennis lessons. Call TennisDr today for the best in tennis coaching and lessons!