Gianmarco Monsellato

Managing Partner / CEO
Taj Société d'Avocats

Gianmarco Monsellato; graduate of the HEC Group, International Management School France; recognized as “Lead Tax Adviser” and “Lead Transfer Pricing Advisor” in all Euromoney Legal Media Group Surveys. Co-founder of the Transfer Pricing worldwide Deloitte team, his service line has been quoted n°1 Transfer Pricing Team in France, by the International Tax Review; co-author of the first French book on transfer pricing: Les prix de Transfert; wrote the French chapter in Transfer Pricing – an International Guide; author of numerous articles on international tax and transfer pricing in French and international reviews; is a member of the global transfer pricing task force of the International Chamber of Commerce; member of the IFA; member of the French-US Chamber of Commerce; has substantial experience in strategic tax planning, tax controversies, Advance Transfer Pricing Agreements and Competent Authority Procedures; is currently the Managing Partner (CEO) of Taj, an international tax and law firm in France, member of Deloitte Touche Tohmatsu and advises leading European, Japanese, Korean and US multinational companies in transfer pricing and international tax strategies. 

Gianmarco is also the Chairman of International Chamber of Commerce’s French Tax Committee as well as a member of the Scientific Committee of the French Association of CFO and Controllers (DFCG).

Known in the marketplace for this commitment to building gender parity in corporate leadership, he received in 2013 the United Nations’ Women Emporwement Principles Award saluting his exceptional championship of gender diversity in the workplace.


Management, HEC Paris (1990)

Bloomberg BNA Tax Management Portfolios:

(Commissioned) 6887 T.M., Income Tax Treaties:  Competent Authority Functions and Procedures of Selected Countries (D-G) (co-author)