Brad Gilbert

Brad Gilbert (born August 9, 1961) is an American former professional tennis player, tennis coach, and tennis commentator and analyst for ESPN. During his career, he won 20 singles titles and achieved a career-high singles ranking of world No. 4 in 1990, and a career-high doubles ranking of world No. 18 four years prior. He won a bronze medal at the 1988 Olympics, and both a gold medal and a silver medal at the 1981 Maccabiah Games.

Since retiring from the professional tour, he has coached several top players, most notably Andre Agassi who won six of his eight Grand Slam titles under Gilbert's tutelage. Other players he has coached include Andy Roddick, Andy Murray, Kei Nishikori and Coco Gauff. Provided by Wikipedia