Gene Buwick served as a USTA volunteer for many years. He was chairman of the USTA Tennis Manufacturers Committee, served on various committees, and played a key role in the development of the USA League Tennis program. Buwick served as president of the Tennis Industry Association for six years, and was a member of the board of directors for 20 years. Buwick also served on the board of trustees for the Sporting Goods Manufacturing Association. Buwick was captain of the USTA team at the 1959 Pan American Games. He competed as a junior in USTA National Championships, was a member of the Chicago District Tennis Association Junior Davis Cup team in 1947 and 1948, and played collegiate tennis at the University of Illinois in Champaign where he also served as captain. A member of the Wilson Sporting Goods Company Hall of Fame, Buwick served two years on the Chicago District Tennis Association Board of Directors during the mid-1970s. He also founded the Glen Briar (Illinois) Tennis Association.