* Retirement: At the time, she was 65 years old and had been with the company for over 20 years.
* Changes in Disney Leadership: Bob Iger had become CEO in 2005, and there were likely changes in leadership structure and priorities that may have influenced her decision.
* Personal reasons: It's possible she had other personal goals or aspirations that she wished to pursue.
It's important to note that Black's departure was not considered a negative event. She left on good terms and was praised for her significant contributions to Disney, including her role in expanding the company's media and entertainment portfolio.
After leaving Disney, she continued to be active in the media industry, serving on various corporate boards and investing in media ventures.