Divya Nag

Special projects, responsible for CareKit and ResearchKit, Apple

Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

Dr. Jill Biden

First Lady of the United States

Eldar Shafir

Professor Behavioral Science and Public Policy & Professor of Psychology and Public Affairs, Princeton University

Frances Frei

Professor of Technology & Operations Management at Harvard Business School

A Leadership Conversation with Harvard Professor Frances Frei

Gladys Knight

Singer-Songwriter & Actress

Greg Olsen

Former NFL Tight End, Football Sportscaster & Founder of Receptions for Research: The Greg Olsen Foundation

Hannah Fry

Complexity Theorist & Author of "The Mathematics of Love"

Howard G. Buffett

Businessman, Philanthropist & Elder Son of Warren Buffet

Jakob Nielsen

Web Usability Consultant; User Advocate and Principal of the Nielsen Norman Group

James Grant

Financial Guru & Media Pundit on Financial Markets; Founder of Grant's Interest Rate Observer

Jawed Karim

Co-Founder of YouTube; Computer Scientist & Internet Entrepreneur

Jim Clifton

CEO of Gallup

Johann Hari

Journalist & Best-Selling Author of "Chasing the Scream"

Magic Pill: The Extraordinary Benefits and Disturbing Risks of the New Weight-Loss Drugs

John “Danny” Olivas

Former NASA Astronaut & Mission Assurance Expert; Co-Director of the Visual Intelligence & Multimedia Analytics Laboratory at the University of Southern California

Jonas Ridderstrale

Management Thought Leader; Author of Funky Business, Influential Business Speaker

Josh Bersin

Global Research Analyst, Principal & Founder at Bersin by Deloitte

Julia Gillard

Former Prime Minister of Australia, First Woman to Hold the Position & Chair of the Global Institute for Women's Leadership

Not Now, Not Ever: Ten years on from the misogyny speech

Larry Fitzgerald

Philanthropist, Business Owner, Investor & Former Wide Receiver for the National Football League

Laura Merling

Vice President of Ecosystem Development & Platform Solutions at AT&T