Executive Vice President, Arctic, Royal Dutch Shell

November 2015: Drilling in the Arctic

former Counsellor to the Chairman, Deputy Chief of Staff at the Securities and Exchange Commission (SEC)

September 2015: How to Avoid the Next Financial Crisis

Former Department of Homeland Security Secretary

August 2015: The New U.S. Security Agenda

Senior Fellow, Institute for the Study of Diplomacy, Georgetown University

August 2015: Global Strategic Contingencies and the Security Agenda of the Next Administration

Senior Vice President and Perot Distinguished Fellow, EastWest Institute

April 2015: U.S.-China Relations

Chairman, Global Business Policy Council, A.T. Kearney

March 2015: Post-Davos World: Risks and Opportunities

Director, Center for the New Energy Economy, Colorado State University; former Governor, State of Colorado

October 2014: Risks and Opportunities for the U.S.

Sr. Fellow, RAND Corp; former U.S. Ambassador to Philippines

August 2014: The U.S. Outlook

Founder and Chairman, Evercore Partners; former Deputy Secretary, U.S. Treasury Department

August 2014: U.S. and Global Economic Outlook

Visiting Professor, Lyndon B. Johnson School, University of Texas

August 2014: U.S. Strategic Alliances

Global Vice President, EastWest Institute; Former Deputy Under Secretary for Cybersecurity

June 2014: International Collaboration on Cybersecurity

Senior Advisor to the President, Wilson Center

March 2014: Assessment of American Foreign Policy

Vice President for Studies, Chicago Council on Global Affairs

January 2014: Implications of U.S. Energy Independence for Middle East

CEO, International Finance Group, Inc.; Chairman Emeritus, Hudson Institute

October 2013: Japan’s Economic Reforms: What Arrows Does Abe Have in His Quiver?

University of Wyoming

September 2013: Renaissance or Meltdown: The Economics of Nuclear Power after Fukushima

Executive Director, Transportation Collaboration, American Gas Association and American Natural Gas Alliance

August 2013: Natural Gas Policy Issues

Senior Fellow and Director, Center on the United States and Europe, Brookings Institution

August 2013: Putin's Russia

Adjunct Professor, Security Studies, Walsh School of Foreign Service, Georgetown University

June 2013: Whither the Arab Spring?

Coordinator, Combating Trafficking in Human Beings, Organization for Security and Cooperation in Europe (OSCE)

April 2013: Global Human Trafficking

President and CEO, Technoserve

April 2013: Business Approaches to Global Poverty Alleviation

Former Ambassador Ethiopia; Burkina Faso

March 2013: China in Africa