Gregory Brew is an analyst with Eurasia Group's Energy, Climate & Resources team focusing on the geopolitics of oil and gas. In addition, he serves as Eurasia Group's country analyst for Iran. 

Greg is a historian of modern Iran, oil, and US foreign policy. Before coming to Eurasia Group, he was a Kissinger Visiting Fellow at the Jackson School for Global Affairs at Yale University and a postdoctoral fellow at the Center for Presidential History at Southern Methodist University. He has written two books on the history of modern Iran and has published analysis and commentary in Foreign Affairs, Foreign Policy, War on the Rocks, Time Magazine, the Los Angeles Times, and the Washington Post, among other outlets. He has also made media appearance to discuss energy and geopolitics, including on National Public Radio, BNN Bloomberg, the BBC World Service, and Bloomberg's Odd Lots podcast.

Greg holds a doctorate in history from Georgetown University. When he is not working, he enjoys hiking, cycling, spending time with his family, and revisiting sci-fi television from the 1990s.