Dave Stockton

Chief Economist and Director of Research and Statistics, The Federal Reserve Board (2000-2011)

Doug Shulman

Commissioner, Internal Revenue Service (2008-2012)

James Lambright

Chief Investment Officer at U.S. Treasury's TARP (2008-2009); former Chairman & President, U.S. Export-Import Bank

Alvaro Uribe

President of Colombia (2002-2010).

Michael Leiter

Former Director of National Counterterrorism Center; Counterterrorism, Cybersecurity & National Security Analyst for NBC News

Kevin Mandia

Global Authority on Cyber Security; CEO & Board Director of FireEye

Stan Kasten

Former President of the Atlanta Braves & the Washington Nationals; Current President and Part-Owner of the Los Angeles Dodgers

Wale

Rapper & Producer

Stuart Eizenstat

Former Deputy Secretary of the Treasury & US Ambassador to the European Union

Tom Gardner

One Half of The Motley Fool

Robert Rosen

Business Leadership Consultant

Michael Gerson

Senior adviser at One, Washington Post Columnist & Former Assistant to the President for Policy & Strategic Planning

Jeannette Walls

Best-Selling Author of "The Glass Castle," an Amazon "Top 10 Books of the Decade"

Dennis Hong

Roboticist, Magician, Chef & Professor

Deborah Lee James

23rd Secretary of the US Air Force, Business Leader & Author of "Aim High Chart Your Course and Find Success"

Daniel Poneman

President and CEO, Centrus Energy Corporation, Deputy Secretary of Energy (2009-2014) and Senior Fellow at Harvard Kennedy School

Daniel Silva

New York Times Bestselling Author & Spy Novelist

Maj. Gen. Charles Frank Bolden, Jr.

Former Administrator of NASA & Astronaut; Retired United States Marine Corps General

Marc Scribner

Fellow in Land-use and Transportation Studies, Competitive Enterprise Issue

Cliff Sims

CEO of Telegraph Creative, NYT Bestselling Author. Former: Deputy Director of National Intelligence

America's Great Divide: Cliff Sims Interview | FRONTLINE