Our professionals

Our professionals


Stephen O’Sullivan

Stephen O’Sullivan
+55 11 3147 7886 stephen.osullivan@mattosfilho.com.br São Paulo – Paulista

Areas of expertise


Stephen is a native English speaker who has lived and worked in Brazil for almost 30 years. He is a qualified English solicitor (registered with the Law Society) and is registered with the Brazilian Bar Association (OAB). Stephen is particularly experienced in M&A transactions, inbound investments and other transactions involving domestic and foreign companies.


Stephen is a specialist in advising multinational companies and foreign investors that do business in Brazil.​


Bachelor of Laws – Victoria University of Wellington, New Zealand;

Bachelor of Commerce and Management – Victoria University of Wellington, New Zealand;

Bachelor of Laws – Universidade de São Paulo (USP).


Chambers Global – Foreign Expert UK (2012 – 2013);

The Legal 500 – Mining (2014).

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