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History: Serge J Massat

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Certified Public Accountant


Serge J. Massat was born in 1953.  He graduated from the Toulouse Business School in 1975.  In 1980, he passed his CPA license in France and in 1987, his CPA license in the USA.


He started his professional career in Toulouse, France where he worked from 1975 to 1980 before moving to Cleveland, USA to work for Ernst & Young in 1980-1981.  In late 1981, he returned temporarily to Paris to join a local CPA firm before deciding to move back to New York in 1982. 

He developed a joint venture consulting department with the US subsidiary of a French bank and started his own independent CPA practice in New York in 1986. He then opened the offices of Mexico in 1994, Miami in 2010 and Luxembourg in 2015.

Beyond his professional activities, Serge is a special advisor to the Financial Exams Department of the United Nations, while being very much involved with the French Community abroad: Foreign Trade advisor to the French GovernmentDirector of the French American Chamber of Commerce.

Member and former Director of the French Mexican Chamber of Commerce, founding member and former President of the Club 600 in New York and in Mexico, and member of the NYSSCPA and of the American Institute of CPAs.