Gil Mermelstein

Gil Mermelstein

New York

Gil Mermelstein, a managing director of West Monroe Partners and a member of the firm’s Executive Committee and Board of Directors, is responsible for developing and expanding the firm’s presence in New York City and the East Coast.  He has 25 years of experience in the consulting and financial services industry, delivering forward-looking business strategies that utilize technology innovation and other leading practices to create business advantages.


Gil Mermelstein has a strong track record for developing and executing growth opportunities and successful transformations working across various financial services segments, including retail and commercial banking, payments, wealth & asset management, and insurance. Gil is active in helping private equity firms invest in financial services, and also serves as an advisor to emerging FinTech companies focused on innovative payments models.

Gil joined West Monroe Partners from BearingPoint Europe, where he was head of Management Consulting in the United Kingdom and Ireland.   As former senior partner with BearingPoint Europe, he was instrumental in formalizing the strategic alliance between that firm and West Monroe Partners, announced in March 2010, and leveraging the relationship to expand the two firms’ global market coverage.

Prior to joining BearingPoint, Gil served as senior vice president of corporate strategic initiatives for MBNA Bank in Wilmington Delaware, where he led a three-year, $1 billion enterprise transformation corporate initiative.  As a member of the merger integration team, he helped develop the strategy and a future operating model for the combined organization when MBNA was acquired by Bank of America. 

Earlier in his career, Gil served in management roles at A.T. Kearney and PWC in New York, London and Tel Aviv.   Gil earned a Bachelor of Science degree in accounting from the University of Maryland College Park, and a MBA with concentration in strategy and corporate finance from INSEAD in Fontainebleau, France.