Warren Buffett with daughter Susie
Title: Chairman and CEO, Berkshire Hathaway
The Oracle of Omaha, the Most Powerful Women Summit's very special guy guest, and his daughter, Susie Buffett, have both made philanthropy their highest calling: He has given and continues to give extensively to the Bill & Melinda Gates Foundation, and famously announced in 2006 that he would give 85% of his Berkshire shares -- then worth $37 billion -- to the organization.
NEXT: Susie Buffett
