Guy Spier, investor and bestselling author on money, markets and shame

Guy Spier is a Zurich-based investor whose Aquamarine Fund has achieved market-beating returns. He studied at Oxford with David Cameron and then at Harvard Business School and started his fund after a disastrous stint at a company that wrecked his reputation and made him unemployable. He's the author of a bestselling book, The Education of a Value Investor and a regular commentator in the media. He talks about greed, shame - and what really matters.