Randy M. Mastro is a prominent American attorney and government official known for his extensive career in high-stakes litigation and public service in New York City. Born on August 21, 1956, Mastro graduated from Columbia University with a Bachelor of Arts in 1978 and earned his Juris Doctor from Columbia Law School in 1981. He began his legal career as an assistant district attorney in the Manhattan DA's office under Robert Morgenthau, where he prosecuted major cases including organized crime and corruption. Mastro later joined the administration of Mayor Rudy Giuliani, serving as chief of staff and deputy mayor for operations from 1994 to 1996, playing a key role in city governance and policy implementation during a transformative period for New York. After his time in government, Mastro transitioned to private practice, becoming a partner at prestigious firms such as Rogers & Wells (now Clifford Chance) and eventually Gibson, Dunn & Crutcher, where he specializes in defamation, media law, and complex commercial litigation. He has represented high-profile clients in cases involving First Amendment issues, corporate disputes, and political controversies. In March 2025, Mastro returned to public service as first deputy mayor under Mayor Eric Adams, overseeing operations until December 2025. His career bridges legal expertise and executive leadership, often focusing on issues of public policy, ethics, and urban administration. Mastro's work has occasionally drawn attention for its defense of controversial figures and institutions, including litigation on behalf of media outlets and government entities. He is recognized for his strategic acumen in navigating politically charged environments, contributing to networks of influence in New York City's legal and political spheres.