Michael Te-Pei Chang (Chinese: 張德培; Pinyin: Zhāng Dépéi; born February 22, 1972, in Hoboken, New Jersey, United States) is an American former professional tennis player. He is best remembered for becoming the youngest-ever male winner of a Grand Slam singles title when he won the French Open in 1989 at the age of 17.
A devout Christian, Chang and his family established the Chang Family Foundation in 1999 "to introduce the Good News of Jesus Christ to the World". The Foundation is now based in Rancho Santa Margarita, California.3
In 2001, Chang served as a goodwill ambassador for the 2008 Beijing Olympic bid committee. In 2002, Chang published a book about his career, Holding Serve: Persevering On and Off the Court.
He attended Biola University in La Mirada, California for 1.5 years for a Masters in Ministry to increase his personal Bible knowledge. He serves on the Biola University Board of Trustees.