Terry Branstad

Former U.S. Governor & Ambassador to China; Founding Partner, Branstad Churchill Group; President, World Food Prize Foundation

Ambassador Terry Branstad prepared remarks at Drake University

Hassan Sheikh Mohamud

Former President of Somalia

Amir Dossal

President & CEO, Global Partnerships Forum

Seth Flaxman

Civic Engagement and Voter Education Advocate; Co-Founder & Executive Director of Democracy Works

Jane Lute

Former Deputy Secretary of Homeland Security & Special Advisor to the Secretary-General of the UN; Strategic Director, SICPA SecurInk

Jane Holl Lute - Cyber Security Revolution

Kay Meyer

Principal Industry Consultant, SAS State and Local Government

Ray Tadgerson

Former CEO and President of Capital Consultants, Co-author of "Second Shift," Tadgerson Consulting

Tammy Rimes

Consultant, Speaker, Author

Mat Best

Five-Tour Army Ranger Turned YouTube Phenomenon; Owner, Black Rifle Coffee, Lead Slingers Whiskey & Article 15 Clothing; Author of "Thank You For My Service"

Matthew Miller

Senior Vice President at Capital Strategy Research

Dr. Ivo Sanader

Former Prime Minister of the Republic of Croatia

Edward Klein

Former Editor of Newsweek & The New York Times Magazine; Author of "Unlikeable: The Problem With Hillary."

Ted Gup

Award-Winning Journalist, Professor, Author of A Secret Gift

Anthony Salvanto

Director of Elections & Surveys at CBS News

Barry Wilmore

NASA Astronaut; United States Navy Test Pilot

Mignon Clyburn

Former Commissioner at the United States Federal Communications Commission

Hazeen Ashby

Senior Counsel for the U.S. Senate Committee on Commerce, Science & Transportation

James Anderson

Head of Government Innovation Programs at Bloomberg Philanthropies

Capricia Marshall

Former Chief of Protocol of the United States (2009 - 2013)

Boris Johnson

Former Prime Minister of the United Kingdom