Clarence Alley "Clay" Thompson IV (born May 4, 1992) is an American former professional tennis player and current entrepreneur. Thompson was born in Venice, CA, and attended 6-12th grade at Crossroads School for Arts and Sciences in Santa Monica, CA. He was a top-ranked national junior and ended his high school career as the #3 recruit in the country, choosing to play for Billy Martin at UCLA. During his tenure at UCLA, Thompson earned a BFA in creative writing with a minor in Film/TV, and during the entirety of his 2014 senior season, was the #1 ranked NCAA tennis player. Thompson holds a 119–35 record, one of the highest number of wins for a UCLA player in the school's history.