From their website http://www.probasketballrefs.com/Default.aspx?tabid=81
NBA experience: 30 seasons, currently in his 31st NBA season
Born: August 30, 1951 (Philadelphia, PA)
Resides: Newton Square, PA
HS: Cardinal O'Hara (Springfield, PA)
College: N/A
Officiated 2,060 regular season, 266 playoff and 38 NBA Finals games.
Crawford's 266 playoff and 38 Finals games are the most among active NBA officials.
Officiated the 1986, 1992 and 2000 NBA All-Star Games, as well as the 1993 McDonald's Championship in Munich, Germany.
Officiated in the Eastern League (CBA) in 1974 and 1977.
Eight years of high school basketball officiating experience in Pennsylvania from 1970-77.
Brother of veteran Major League Baseball umpire Jerry Crawford and son of retired Major League Baseball umpire Shag Crawford.
Helps run a girls' (10-16) AAU basketball organization called the Comets and conducts basketball clinics for girls.