There are about 1,200 billionaires in Europe and America. Why don't they do more good with their money? This week's guest reckons he can get them to do just that. The Sunday Times’ tech correspondent Danny Fortson brings on Tom Kalil, founder of Renaissance Philanthropy, to talk about why he created the organisation (4:15), nationalism (8:00), the problem with the current philanthropy model (11:15), leveraging tech and science (16:40), his background in Washington DC and the White House (22:20), working for Eric Schmidt (31:20), taking big swings (33:45), and the changing nature of giving (38:00),