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  • Président
  • Deloitte France & French speaking African countries


Gianmarco Monsellato, HEC, graduate and French attorney is a Senior Partner. He has been the French Tax & Legal CEO from 2004 to 2016 and a member of both Deloitte’s Global Tax & Legal and Global Clients & Industries Executives from 2014 to 2019. From 2017 to 2021, he has been Deloitte EU Tax Public Policy Leader engaging with EU public stakeholders on international tax policy matters. Since June 1st 2021, he has been elected CEO of Deloitte France & French speaking African countries.

Gianmarco has led our global relationship with some of our most important clients, in addition to his activity as tax attorney.

He is the Chairman of the French tax committee of the International Chamber of Commerce. He is a board member and treasurer of Fedora, the European Federation of Opera and Ballet Houses and Chairman of the Friends of Aubusson Tapestries.

He received in 2013 the United Nations’ Women Empowerment Principles Award saluting his exceptional championship of gender diversity in the workplace.