Jul.25 -- Richard Branson, founder of the Virgin Group, is an English business magnate, investor, author and philanthropist. He discusses dropping out of school at the age of 15, his inspiration for building an airline, the future of Virgin Galactic, philanthropy and Brexit in an interview with David Rubenstein in the latest episode of "The David Rubenstein Show: Peer-to-Peer Conversations," taped May 31.