Mathieu Rossignol
Mathieu Rossignol counsels multinational companies on compliance, global investigations, and regulatory enforcement matters, with particular focus on anti-corruption, governance, economic sanctions, and business and human rights. He advises on the application of key international frameworks, including France’s Sapin II Law, the US Foreign Corrupt Practices Act, and the UK Bribery Act. He leads internal investigations, risk assessments, and compliance reviews involving regulatory and enforcement authorities, such as the US Department of Justice, the Securities and Exchange Commission, and the French Anti-Corruption Agency.
Mathieu also assists companies strengthening their compliance programs through the drafting, updating, and implementation of robust compliance policies, risk mapping, and customized training programs for exposed personnel and senior management.
Mathieu has conducted internal investigations, risk assessments, and transaction-related due diligence, including in connection with mergers and acquisitions and post-closing integration for private and state-owned companies in more than 25 countries, with a particular focus on Europe, Africa, Latin America, and the Middle East.
Through a two-year secondment with a global engineering and technology company, Mathieu gained in-house experience overseeing risk mappings, compliance audits, anti-corruption compliance trainings, multiple internal investigations, and the revision of anti-corruption policies and procedures, enhancing his ability to deliver practical, business-oriented solutions.
He is fluent in English, French, and Spanish.
Before joining Morgan Lewis, Mathieu was counsel at another international law firm.
