Karen Stack Umlauf is a former executive and assistant coach of the National Basketball Association's Chicago Bulls.
| Personal information | |
|---|---|
| Nationality | American |
| Career information | |
| High school | Oak Forest (Oak Forest, Illinois) |
| College |
|
| Coaching career | 2018–present |
| Career history | |
| As coach: | |
| 2018–2020 | Chicago Bulls (assistant) |
Stack Umlauf was a standout basketball player for the Northwestern Wildcats in the early 1980s.[1] After a year of playing basketball overseas, she joined the Bulls in 1985, starting with a role of selling tickets.[2] Over the next decades, she rose to become director of basketball operations for 20 years and later senior director of basketball administration.[3]
In 2017, she lobbied Bulls head of basketball operations John Paxson to let her coach. She was first assigned to the summer league.[4] In so doing, she became the Bulls' first female assistant coach, combining that role with the role of director of team operations.[5]
On October 12, 2020, the organization announced Stack Umlauf would not return to the coaching staff under newly-hired head coach Billy Donovan.[6]
Stack Umlauf is the sister of Jim Stack, a former scout and assistant general manager for the Bulls and later general manager of the Minnesota Timberwolves.[4] She is also the aunt of NBA player Frank Kaminsky.[7]