The charity was formed in 1998 and financed through donations from Winfrey's TV viewers. Winfrey has announced she intends to leave the show in 2011 - ultimately leading to the closure of the Angel Network.
According to the AP:
Winfrey isn't ending her philanthropic efforts. The website notice says her new cable network will highlight charitable organizations in coming years.Winfrey announced her round-the-clock Oprah Winfrey Network earlier this year. It is to start next January. She revealed last month that she'll host one of its programs, a nighttime travel and conversation show called "Oprah's Next Chapter."