Horace Junior Grant Sr. is an American former professional basketball player who is a special advisor for Michael Reinsdorf, the president and chief operating officer of the Chicago Bulls. He played college basketball at Clemson University before playing professionally in the National Basketball Association (NBA), where he became a four-time champion; winning three championships with the Chicago Bulls and one championship with the Los Angeles Lakers. Horace is the twin brother of former NBA player Harvey Grant.

The Chicago Bulls are an American professional basketball team based in Chicago. The Bulls compete in the National Basketball Association (NBA) as a member of the Central Division of the Eastern Conference. The team was founded on January 16, 1966, and played its first game during the 1966–67 NBA season. The Bulls play their home games at the United Center, an arena on Chicago's West Side.