Christopher Wesson Bosh is an American former professional basketball player. A high school "Mr. Basketball" in Texas, Bosh left Georgia Tech after one season to enter the 2003 NBA draft. He was selected fourth overall by the Toronto Raptors in a draft class that included multiple future NBA superstars such as LeBron James, Dwyane Wade and Carmelo Anthony. While at Toronto, Bosh emerged as one of the young stars in the league; he became a five-time NBA All-Star, was named to the All-NBA Second Team once, appeared for the U.S. national team (with whom he won a gold medal at the 2008 Summer Olympics), and supplanted former fan-favorite Vince Carter as the face and leader of the Raptors franchise.

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In the 2006–07 season, Bosh led the Raptors to their first playoff appearance in five years, and their first ever division title. He left Toronto in 2010 as the franchise's all-time leader in points, rebounds, blocks, double doubles, free throws made and attempted and minutes played. Bosh spent the second half of his career with the Miami Heat, where he won two NBA titles in 2012 and 2013. He played his final game on February 9, 2016 due to a blood clotting condition that the NBA ruled to be a career-ending illness. Notwithstanding the NBA's ruling, Bosh fought to resume his playing career for three years, before announcing his retirement in February 2019. 

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Bosh was nicknamed "CB4" by then-Toronto Raptors play-by-play commentator Chuck Swirsky, a combination of Bosh's initials and then jersey number. Seeking to promote sports and education amongst youths in Dallas and Toronto, Bosh set up the Chris Bosh Foundation and regularly speaks to youths about the benefits of reading. Source.