John Browne trained as an engineer, was CEO of BP from 1995 to 2007, and remains an influential leader in the energy business. He is chairman of the Crick Institute, a fellow of the Royal Society and the US Academy of Arts and Sciences, and former president of the Royal Academy of Engineering and former chairman of Tate. He is a collector of antique books and the author of four previous titles, including The Glass Closet: Why Coming Out is Good Business and Seven Elements that Changed the World, also available from Pegasus Books. John lives in London.