Christophe Wartel

  • Structured finance
  • Experience in infrastructures finance
  • 15 years of experience in the Sovereign advisory practice

Christophe is a structured and project finance expert, and leads GSA’s infrastructure practice.

He started his career at BNP Paribas where he held various positions in the Structured Debt department out of Bahrain, Paris and Geneva. He also worked for Lazard’s sovereign advisory group where he advised several governments and State-owned enterprises on debt raising processes and public-private partnerships. Prior to joining GSA, Christophe was a partner at Philae Advisory, where he led advisory engagements in the energy and infrastructure sectors.

Our team

Anne-Laure Kiechel

Founder & CEO

Temir Porras

Managing Director

Julien Dubertret

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

Julien Marcilly

Chief Economist

Edouard Bloch-Escoffier

Vice President

Quentin Comet

Vice President

Mathilde Périnet

Vice President

Sophie Borra


Maxence Lietar


Rabi Nawaz


Hadrien Davier

Senior Analyst

Niccolo Rescia

Senior Analyst

Théo Maret

Senior Research Analyst

Lazare Beullac

Senior Research Analyst

Fouad Azzi


Nathan Dérédec

Research Analyst

Arthur Jourdain

Research Analyst

Caroline Bouret

Chief Financial Officer