Senior Advisors


Brian D. O’Neill
Senior Advisor
Latin America

Brian D. O’Neill was named a Lexington Senior Advisor focusing on the Latin America region in 2010. Mr. O’Neill, currently a Senior Advisor with Lazard, joined Lazard in 2009 as Vice Chairman of Lazard International. Prior to joining Lazard, Mr. O’Neill was a Deputy Assistant Secretary with the U.S. Treasury Department from 2007-2009 after an accomplished 30-year tenure with JPMorgan Chase, where he held multiple leadership roles including Head of Investment Banking for Latin America and Canada. During his career, Mr. O’Neill has lived and worked in Latin America for 12 years and has been based in Santiago, Chile, Buenos Aires, Argentina, and Sao Paulo, Brazil.

Mr. O’Neill holds an undergraduate degree from the University of San Diego, a master’s degree in business administration from the Thunderbird School of Global Management, and completed the Executive Education Program at the Amos Tuck School at Dartmouth College. Mr. O’Neill has extensive experience working with governments, local and multinational corporations, and financial institutions. He is a Director of the Council of the Americas, the Americas Society, and the Inter-American Dialogue. He is also a life member of the Council on Foreign Relations.


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