Bill O'Brien Created and Developed the Percentage Tennis System

I developed the Percentage Tennis System to offer my students a logical, systematic and effective approach to learning and improving as tennis players. The result is a methodology so effective that it not only works to produce the desired progress for the student, but it also produces dramatic breakthroughs for the student in a much shorter period of time than conventional teaching methods.
Bill O'Brien

About Bill O'Brien
• 20 years of teaching experience
• Certified by the United States Professional Tennis Registry
• Owner and President of Percentage Tennis, Inc., featuring locations in Delaware, Pennsylvania, Maryland, Palo Alto CA, and St. Petersburg FL.
• Taught nationally with with Dennis van der Meer, Nick Bollittieri, and Billie Jean King.
• Coached Lisa Raymond, 2 time NCAA Singles champion (University of Florida) and current touring pro and Wimbledon Mixed Doubles Champion
• Coached David DiLucia, 3 time NCaa Singles champion (Notre Dame) and touring professional
• Coached men's and women's teams at Emory University
• 3 time College All-American (University of Delaware)
• Selected "Best of Philly" best tennis professional in Philadelphia by Philadelphia Magazine