John Sitilides is a leading expert in U.S. government relations, geopolitical risk, and international affairs. He heads Trilogy Advisors in Washington, D.C., where he advises corporate and government leaders on navigating global complexity.
He also serves as a Global Strategy & Geopolitics keynote speaker and as a National Security Senior Fellow at the Foreign Policy Research Institute.
A highly sought-after speaker, John presents at corporate, investor, and industry events around the world. He also briefs government, military, and intelligence audiences, explaining how geopolitical risks and security policies impact business decisions.
John helps executives and investors interpret global trends and prepare for strategic challenges. He breaks down complex geopolitical and economic issues that influence markets in Asia, Europe, the Middle East, and beyond.
Previously, John was appointed by the U.S. government as Southern Europe Regional Coordinator at the State Department’s Foreign Service Institute. He served under Presidents Biden, Trump, Obama, and Bush, playing a key role in U.S. diplomatic efforts.
From 2005 to 2011, he chaired the Southeast Europe Project at the Woodrow Wilson Center. Before that, he was Executive Director of the Western Policy Center, where he focused on U.S., NATO, and EU policy in Europe and the Middle East.
As a frequent media contributor, John shares his insights on CNN, FOX News, Bloomberg, and NewsNation. Leading publications such as The Wall Street Journal, New York Times, Washington Post, Politico, and NPR often quote his commentary.
John also advises companies across various industries, including real estate, construction, agriculture, aviation, and emerging technologies. His expertise in environmental reform and property rights is widely recognized.
In addition to his professional roles, John actively supports several nonprofit organizations. He serves on the Executive Committee and Board of Trustees for Leadership 100, a national Orthodox Christian foundation.
He has also served on the boards of 3doo, Biovest International, International Orthodox Christian Charities, and the Advanced Imaging Society, contributing to innovation and social impact in each field.
John holds a Master’s degree in International and Public Affairs from Columbia University. He lives in Washington, D.C., with his wife—a successful attorney and businesswoman—and their four sons.
