Oprah's Big Give, her TV show where contestants are challenged to help others

Oprah's O Ambassadors, a school-based program to inspire students to become active, compassionate and knowledgeable global citizens and connecting young people in North America with people around the world to create lasting change by addressing problems such as hunger, poverty and limited access to education.

The Oprah Winfrey Leadership Academy Foundation, an academy in South Africa to develop women leaders

The Oprah Angel Network, a public charity where people use their lives to make a difference to others through volunteer work and charitable giving

The Oprah Winfrey Foundation, a private charity to award grants and scholarships to promote learning and reading

Oprah Gives Back Knowledge - in the classroom

• In 1999 Winfrey joined the faculty of Northwestern University's Kellogg Graduate School of Management to teach the course "Dynamics of Leadership." Winfrey's partner, Stedman Graham, is the coteacher.

Other charity

• It's been reported that ever since coming to Chicago, Oprah Winfrey has given 10 percent of her income to charities, mostly having to do with youths, education, and books.
• One Christmas when Oprah heard from her friend Maya Angelou that the Glide Memorial Church in San Francisco was short of funds to distribute groceries to needy families, Oprah wrote a check for $50,000
• 571 black angels (received from viewers after she noted on her show near Christmas one year that it was difficult to find black angel ornaments and figurines) donated to the Angel Museum in Beloit, Wisconsin