Author, Barking Up the Wrong Tree

Professor of Law and Faculty Director, Constitutional Law Institute, University of Chicago Law School

Preventive Cardiologist

Vice Chair, Americas Strategy and Transactions, EY

Actress; Author, Mean Baby

CNBC Senior Media & Tech Correspondent

William Henry Bloomberg Professor of the Practice of Public Leadership, Harvard Kennedy School; Professor of Management Practice, Harvard Business School

CEO, Bitfury Group

Chair, Weave: The Social Fabric Project, The Aspen Institute; Op-Ed Columnist, The New York Times

CEO, Hermitage Capital Management; Author Red Notice: A True Story of High Finance, Murder, and One Man's Fight for Justice

Co-Host, "Today with Hoda and Jenna"

Co-Founder and CEO, Slack; Co-Founder, Flickr