John Sitilides
Senior Fellow for Global Risks
John Sitilides is Principal at Trilogy Advisors LLC in Washington, D.C., specializing in geopolitical risk, international security, and federal government affairs.
He is a professional speaker at corporate, investor, and industry conferences, and before government, military, and intelligence community audiences, on geopolitical and geo-economic risk management and the business impacts of national security policies. He explores the complex decisions that impact markets in Asia, Europe, the Middle East, and worldwide, helping corporate executives, investment managers, and civic audiences better understand, anticipate, and mitigate risk.
From 2006 to 2023, he was a U.S. Department of State Diplomacy Consultant under Presidents Biden, Trump, Obama, and Bush, managing professional development at the Foreign Service Institute, the diplomacy academy for American foreign policy professionals.
He served as a Senior Fellow for National Security at the Foreign Policy Research Institute, and was Board Chairman of the Woodrow Wilson Center Southeast Europe Project, following seven years as Executive Director of the Western Policy Center, an international relations institute specializing in U.S., NATO & EU interests in Europe and the Middle East until he negotiated its 2004 merger with the Woodrow Wilson International Center for Scholars.
He launched his career in the U.S. Senate, has testified before Congress, and is a frequent national security commentator on U.S. and international media such as Bloomberg News, CNN, FOX News, CNN International, and NewsNation, and has been interviewed or cited in The Wall Street Journal, The New York Times, The Washington Post, The Washington Times, Newsweek, The National Interest, Politico, National Public Radio, Asia Times, Institutional Investor, South China Morning Post, and other leading print and digital media.
Sitilides serves on the Executive Committee of Leadership 100, a national Orthodox Christian endowment, and of the National Hellenic Society. He served on the Board of Directors of an advanced media technology company and a personalized biopharmaceutical company; of International Orthodox Christian Charities, a global humanitarian organization; and of the Advanced Imaging Society, promoting the global motion picture industry’s arts and technologies.
He is also a member of the Columbia University Club of Washington, D.C., and the Association of Former Senate Aides. He holds a Master’s Degree in International and Public Affairs from Columbia University, specializing in International Security Policy and Western European Affairs. His wife is an attorney and businesswoman, and they have four sons.

