Julien Dubertret

Managing Director
  • Former Director General for Budget at the French Ministry of Finance
  • Extensive experience in public finance, budget reforms and public policy

Julien has over 30 years of government-level experience specializing in public finances and budget reforms.

Julien is Managing Director at GSA.

He is a highly trained professional for Budget and Public Finances. He held the position of Inspector General for Finances at the French Government. He previously held high-profile positions within the public administration, notably as Budget Director at the Ministry of Finance as well as Advisor to the French Prime Minister in charge of Budget and State Reforms.

Having started his career at the French Ministry of Finance in 1992, Julien has extensive experience in piloting the budget process, from preparation stage to execution.

He has been actively involved in all aspects of budget reforms, including the transition to program and performance budgeting, the development of multi-year budgeting and budget rules, and the conduct of spending reviews, among other responsibilities, both in the French Government and for the IMF in a dozen of countries in Africa, North Africa, the Middle-East and Central Europe.

Julien graduated from Sciences Po Paris, and from the Ecole Nationale d’Administration (ENA), and holds a Masters’ degree in Law and management of Public Finance.

Our team

Anne-Laure Kiechel

Founder & CEO

Temir Porras

Managing Director

Emmanuel Deroude

General Manager

Nicole Arditti

Senior Advisor, Financial advisory

Joël Toujas-Bernaté

Senior Advisor, International institutions

Karin Roubaudi

Senior Advisor, Advocacy

Régis Prunier

Senior Advisor

Quentin Comet


Sophie Borra

Vice President

Maxence Lietar


Rabi Nawaz


Hadrien Davier


Théo Maret


Niccolo Rescia

Senior Analyst

Lazare Beullac

Senior Research Analyst

Fouad Azzi

Senior Analyst

Ismaïl Chraibi

Senior Analyst

Mathilde Gassies

Senior Analyst

Apolline Renaudin

Senior Analyst

Arthur Jourdain

Senior Analyst

Nathan Dérédec

Research Analyst

Caroline Bouret

Chief Financial Officer