James Spencer "Jim" Courier, Jr. (born August 17 1970, in Sanford, Florida) is a former world number one professional tennis player from the United States. During his ATP career, he won four Grand Slam singles titles - two at the French Open and two at the Australian Open. In 2004, he co-founded InsideOut Sports & Entertainment, a New York City based sports event company. He also co-founded Courier's Kids, a non-profit organization that supports after school tennis and education programs. Courier continues to compete today on the Outback Champions Series and in select exhibitions and events worldwide. He is on the board of directors of the International Tennis Hall of Fame, Courier's Kids, First Serve, and The Gullikson Foundation.