Nadege Debeney

Nadege Debeney

Senior Associate

Nadège focuses her practice on derivatives, structured finance and debt capital markets. She advises clients on regulatory and transactional aspects of OTC derivatives transactions on all asset classes (FX, rate, equity, commodities etc.), repurchase transactions and securities lending transactions.

Nadège regularly assists clients with their hedging transactions in the context of M&A, project finance and securitisation transactions. 
She has experience in advising clients on the financial regulatory environment related to those products, including benchmarks, initial and variation margin, reporting and clearing. 

Nadège was involved in the drafting of the derivatives market standard documentation for FBF and ISDA, including the ISDA Master Agreement (French law). She regularly assists clients with the negotiation of their master agreements (ISDA, FBF) and collateral documentation (IM and VM).

She also assists clients in the context of the issuance of securities (bonds, structured securities) and the issuance of securities on the blockchain. 

Before joining the firm, Nadège practiced in the London and Paris offices of an American law firm.

Published Work

La loi PACTE et les produits dérivés, Bulletin Joly Bourse, July – August 2019

Le contrat-cadre ISDA de droit français : évolution ou révolution ? Bulletin Joly Bourse, September – October 2018



CAPA, 2017

Master 2 in Banking & Finance Law, Panthéon-Assas (Paris II) University, 2015

Master 2 in Corporate & Tax Law, Panthéon-Assas (Paris II) University, 2014

Bachelor’s Degree and Master 1 in Corporate Law, Panthéon-Assas (Paris II) University, 2013

Institut de Droit des Affaires, Panthéon-Assas (Paris II) University, 2013


French, English
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.