Lucas advises public companies, boards, financial institutions, and senior executives on a range of criminal and civil matters, with a particular focus on sensitive, high-stakes government investigations and related crisis management.
Lucas draws on his broad investigative and litigation experience to advise US and multinational clients on internal and government-facing investigations involving complex regulatory issues and cross-border matters. He has extensive experience representing clients before government agencies and bodies, including the US Department of Justice (DOJ), the Securities and Exchange Commission (SEC), and the Drug Enforcement Administration (DEA).
As a native Portuguese speaker, Lucas regularly advises on sensitive cross-border matters involving strategic client interests in Brazil and Latin America. He also has experience conducting anti-corruption risk assessments and compliance reviews designed to help organizations identify and remediate vulnerabilities before they escalate into government scrutiny.
Lucas maintains a diverse pro bono practice and was recognized by the District of Columbia Court of Appeals’ Capital Pro Bono High Honor Roll in 2025.
Lucas’ experience includes advising: