Michael William "Mike" Krzyzewski (pronounced /ʃəˈʃɛvski/ shə-SHEV-ski; Polish: Krzyżewski ; born February 13, 1947) is the men's college basketball coach of the Duke Blue Devils. He is also the coach of the United States men's national basketball team, whom he led to a gold medal at the 2008 Summer Olympics and the 2010 FIBA World Championship.
Nicknamed "Coach K", Krzyzewski has led the Blue Devils to four NCAA Championships, 11 Final Fours (tied for second most in history), 12 ACC regular season titles, and 13 ACC championships over 30 seasons at Duke. Krzyzewski has amassed an NCAA-record 79 NCAA tournament victories, while averaging more than 25 wins per season. On March 1, 2008, Krzyzewski became the sixth men's basketball coach in NCAA history to reach the 800-win plateau. Krzyzewski has totaled 900 career victories (as of March 20, 2011), making him the most winning active coach, and putting him three wins away from being the most winning men's basketball coach in NCAA Division I history. He was elected to the Naismith Memorial Basketball Hall of Fame following the 2001 season.
Krzyzewski was born in Chicago, Illinois, the son of Polish-American parents Emily M. (née Pituch) and William Krzyzewski. He has roots in the Pittsburgh area, as his maternal grandparents emigrated from Poland to Keisterville, Pennsylvania. Up until he was 10 or 12, he visited there every summer; Krzyzewski had stated that he suspects the purpose of such trips was to "teach you to know where you came from and to be proud of it."