David Muller

David Muller is a German professional tennis player. He has won several ATP titles and has been ranked as high as number 8 in the world. Muller has also been a coach for several top players, including Gilles Muller. He is known for his technical skill and strategic play. Muller has competed in several Grand Slam tournaments, including the French Open and Wimbledon. He has also been involved in various charity initiatives, including working with underprivileged children in his hometown of Hamburg, Germany.