At PCC, George Greenfield was a national and state champion in three men's gymnastic events, the all-around, floor exercise and horizontal bars. He would go on to help the University of California-Berkeley win three undefeated Pacific-8 Conference team championships, earning USGF All-American honors all three seasons before being selected to the 1972 U.S. Olympic Team. He captured the title of USA's top male gymnast in 1971. He was inducted into the Bears Hall of Fame in 2009.