More on Oprah's PhilanthropyA Christmas party for 50,000 orphans in South Africa. Building and furnishing homes for 250 families impacted by Hurricanes Katrina and Rita. The Leadership Academy for Girls in South Africa. Grants totaling over $1 million to the East Asian tsunami recovery. One name is behind all of that and more - Oprah Winfrey.You may think Oprah's Angel Network is the organization behind all of the philanthropy associated with Oprah - because it's the most well known charity associated with Oprah.In reality, Oprah has three organizations to focus on her charitable work, but all have a similar focus. They give grants and fund projects that start movements. That inspire. That build up. That create opportunities.It is important to know how we work though. Here's an explanation...