Dechert Strengthens Litigation Bench with Preeminent NY Trial Attorney Randy Mastro

NEW YORK, Jan. 15, 2026 /PRNewswire/ -- Dechert LLP today announced the hire of veteran NY trial lawyer Randy Mastro, further bolstering the firm's ability to handle high-stakes disputes, multi-jurisdictional investigations and regulatory enforcement actions for its corporate clients.

Mastro will join Joni Jacobsen and Michael McGinley as co-chairs of the securities and complex litigation practice. With more than 40 years of trial, appellate and investigative experience, Mastro represents Fortune 500 companies, boards, senior executives and financial institutions in bet-the-company litigation, white collar criminal matters and parallel civil enforcement proceedings. He has defended clients before the U.S. Department of Justice, the Securities and Exchange Commission, U.S. Attorney's Offices and state regulatory bodies. Immediately before joining Dechert, he served as First Deputy Mayor and Acting Mayor of New York City, and he previously served in government as Deputy Mayor for Operations under a different New York City mayor and as a federal prosecutor in the Southern District of New York.

Mastro consistently ranks among the nation's leading litigators and trial lawyers among corporate counsel and peer review publications. His many accolades include recognition as Chambers USA's "Business Trial Lawyer of the Year," Benchmark's "Trial Lawyer of the Year" and among The National Law Journal's "100 Most Influential Lawyers in America."

"Randy is one of the premier litigators and government enforcement practitioners in the country," said Mark Thierfelder, Dechert co-chair. "His proven track record in complex investigations and high-profile trials, along with his unique experience helping run one of the biggest cities in the world like a successful business, will be invaluable to our clients as we help them manage their capital and avoid business risk."

"I am thrilled to be joining Dechert, a firm I have long admired and seen ascend to become a global powerhouse today, with such a strong and dynamic litigation team here in New York, across the country and throughout the world," said Mastro. "I look forward to helping the firm grow its complex commercial litigation practice and serve our clients with distinction."

Dechert litigators win some of the largest and most complex, domestic and multi-jurisdictional disputes in the world. Our global litigation practice is comprised of more than 225 lawyers across the globe, combining the knowledge and experience of former law clerks and government officials, top litigators from top-ranked firms and stellar homegrown talent.

About Dechert

Dechert is the law firm that helps business leaders lead.

For more than 150 years, we have advised clients on critical issues – from high-stakes litigation to first-in-market transaction structures and complex regulatory matters. Our lawyers in commercial centers worldwide are immersed in the key sectors we serve – financial services, private capital, real estate, life sciences and technology.

Dechert delivers unwavering partnership so our clients can achieve unprecedented results.

CONTACT: Chloe Magnuson, Manager, Public Relations – U.S. Transactions, [email protected]

SOURCE Dechert LLP