Skadden, Arps, Slate, Meagher & Flom LLP significantly strengthened its white-collar crime offering in January 2025 with the arrival of Emmanuel Marsigny and Louis Guesdon, who joined from their former boutique firm. The duo advises on corruption, bribery and tax fraud cases, and frequently defends high-ranking executives in matters with international elements, while also being adept at handling industrial accidents and extradition requests. Also involved in the practice is Margot Sève, who assists companies with internal investigations and compliance work.
Legal 500 Editorial commentary
Mentions
Profile
Work Department
White Collar Defense and Investigations
Position
Partner
Career
Emmanuel Marsigny leverages three decades of experience in high-profile criminal defense and enforcement proceedings to provide highly effective trial advocacy for French and international corporations, their top executives, notable political figures, and other clients.
Mr. Marsigny has a well-established track record of success, underpinned by his extensive knowledge of the French enforcement system. He has worked on a wide range of criminal cases, including white collar and organized crime matters, before numerous judicial police departments and French criminal courts, including the Cour de justice de la République.
Throughout his career, Mr. Marsigny has advised on several of the most prominent criminal cases in France, ranging from industrial accidents to highly sensitive international corruption, money laundering and tax fraud cases. He is known for his dynamic presence in court and enforcement proceedings and is particularly adept at handling cross-border cases that require his distinct strategic insight and coordination across continents. He joined Skadden in January 2025 with a team of 4 lawyers.
Mr. Marsigny regularly acts in Parquet National Financier (PNF)-led investigations and assists clients facing allegations abroad and extradition orders, including with respect to Interpol ad hoc proceedings.
Languages
French, English, Spanish
Education
- Masters in Business and European Law, University of Paris X - Nanterre, 1995
- M.B.L., University of Paris I - Pantheon-Sorbonne, 1993
Content supplied by Skadden, Arps, Slate, Meagher & Flom LLP
Testimonials
Collated independently by Legal 500 research team.
‘Emmanuel Marsigny is an extraordinary lawyer who knows his market and the various stakeholders very well.’
‘The team is lean, efficient, flexible and dynamic.’
‘Emmanuel Marsigny and Louis Guesdon are standout performers in white collar crime matters in Paris. Clever and strategically brilliant, they are the lawyers you want on your corner for a difficult legal battle.’
Key clients
- SNCF Moblilités Mr. Edouard Philippe, former French Prime Minister International Flavors & Fragrances Inc.
Work highlights
Defending SNCF in the trial of the Eckwersheim railway accident.