ビーナス・エボニー・スタール・ウィリアムズのコーチは誰？
David Witt (born High Point, North Carolina, June 2, 1973) is an American former professional tennis player best known as the long-time coach of Venus Williams. He enjoyed a successful junior career, during which time he won the USTA Boys' 16s Clay, Hard and National Championships and was the top-ranked under-16 in the USTA in 1989. He was also a semi-finalist at the US Open Junior Boys Singles event in 1991.
David Witt