Bio
Gregory Makoff has been a CIGI senior fellow since 2015. He is an expert on sovereign debt restructuring and is the author of Default: The Landmark Court Battle over Argentina’s $100 Billion Debt Restructuring (Georgetown University Press, 2024).
Prior to his affiliation with CIGI, Gregory worked for 21 years at Citigroup, specializing in debt advisory, liability management and derivatives for sovereign borrowers, corporations and financial institutions. He helped countries around the world restructure their debt, including the government of Iraq (2006) and the government of Jamaica (2010 and 2013). In 2015-2016, Gregory was employed as a senior policy adviser at the US Department of the Treasury, working on the domestic finance team that supported the enactment of the Puerto Rico Oversight, Management, and Economic Stability Act (PROMESA), the law to facilitate the restructuring of Puerto Rico’s debt.
Gregory holds a Ph.D. in physics from the University of Chicago and a B.Sc. from the Massachusetts Institute of Technology in both physics and political science. Gregory is also a CFA® Charterholder. From July 2023 to July 2025, Gregory was a senior fellow with the Mossavar-Rahmani Center for Business and Government at the Harvard Kennedy School.