Gina Castellano 

Partner – New York
T.+1 212 504 6234
gina.castellano@cwt.com
200 Liberty Street
New York, NY 10281 V-CARD

Gina Castellano advises corporations and executives in complex investigations, enforcement actions, civil litigation, and compliance matters. A seasoned trial attorney and former federal prosecutor, she focuses on high-stakes criminal and regulatory proceedings, particularly those involving financial fraud and anti-corruption issues.

Gina routinely represents corporations in internal investigations and before key U.S. authorities, including the Department of Justice and the Securities and Exchange Commission. Her experience includes cross-border investigations, workplace misconduct matters, and criminal and civil False Claims Act investigations for clients in the financial services, pharmaceutical, defense and oil services industries. She also advises institutional clients on the design and implementation of compliance programs. Individuals across a broad range of industries turn to Gina to guide and defend them through their most sensitive matters, including investigations, government scrutiny, and trials. 

Gina brings significant experience from her time as an Assistant United States Attorney in the U.S. Attorney’s Office for the Southern District of New York, where she was a senior member of the Securities and Commodities Fraud Task Force and led investigations and prosecutions involving securities fraud, insider trading, accounting misconduct and other complex financial crimes. Her background enables her to provide strategic, practical guidance in navigating government enforcement and litigation risk. 

Recognition

  • Crain’s New York Business – Notable Litigator and Trial Attorney (2025)
  • Lawdragon – 500 Global Leaders in Crisis Management (2025, 2026)
  • Lawdragon – 500 Leading Litigators in America (2024–present)
  • Lawdragon – 500 Leading Global Litigators (2025)
  • Counsel for leading defense contractor in DOJ False Claims Act investigations.
  • Represented a global management consulting company in an FCPA investigation involving conduct in Africa, resulting in a declination of prosecution by the DOJ and SDNY.
  • Represented a global biotechnology company in investigations by the DOJ and SEC into alleged corruption across four regions of the world, resulting in closure of the investigations.
  • Advised a multinational oilfield services company in cross-border internal investigations involving corruption and other potential violations of U.S. law.
  • Advised an investment advisor in an investigation conducted by SDNY and SEC.
  • Advised a former executive of a global private equity firm in an internal investigation into potential financial fraud related to multiple portfolio companies.
  • Represented senior executives in DOJ criminal antitrust investigations.
  • Represented senior executive in large-scale cross-border Clean Air Act investigation.
  • Advised a former CEO of a crypto-currency exchange in an investigation conducted by SDNY into Bank Secrecy Act, sanctions and money laundering violations. 

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Gina Castellano 

Admissions

  • U.S. District Court, Southern District of New York
  • U.S. District Court, Eastern District of New York
  • U.S. Court of Appeals, 2nd Circuit
  • New York

Clerkship

  • Hon. Denny Chin
    U.S. District Court, Southern District of New York

Education

  • Fordham University School of Law
    J.D., summa cum laude
  • Georgetown University
    B.A.