Career
Zhuang began playing table tennis competitively at age 11, and was a professional player at age 12. David moved to the United States in 1990, and became one of the top players in the country. United States. Men"s Singles, 1994, 1995, 1998, 2000, 2006 and 2008.
United States. Men"s Doubles, 1992, 1993, 1994, 1999, 2000, 2001, 2003, 2006 and 2008.
United States. Mixed Doubles: 1992, 1993, 1994, 1995, 1998, 1999. Pan Am Men"s Singles: 1999
Pan Am Men"s Teams: 1999
World Consolation: 1997
He represented the United States. in the Olympics in 1996, 2000 and 2008.
He was inducted into the United States of America Table Tennis Hall of Fame in 2003. The United States of America Table Tennis magazine printed his photograph on the cover, with the heading, "He"s still got it!" In summer of 2008, he was the sole United States male table tennis player competing at the Beijing Olympics.
The United States of America Table Tennis magazine again printed his photograph on the cover, with the heading "SIX", and an article "The Perfect Year" in the magazine.