National Ambassador of Young People's Literature, Graphic Novelist
US Army Captain, Group Behavior Expert
Leading Economist, Author, Broadcaster
Sign up for the Macmillan Speakers Newsletter. Privacy Notice.
Sign up for the the Macmillan Speakers Newsletter with updates and other information about Macmillan Publishers books, products and services that may be of interest to you. You can withdraw your consent at any time. See Macmillan Privacy Notice. Contact Us.