Katherine M. Sinderson

Katie Sinderson is a partner in the firm’s New York office. She focuses her practice on advising and representing clients in securities fraud class actions and has been a leader on teams recovering billions of dollars for investors.

Katie played a key role in two of the firm’s largest cases, both of which settled near trial for billions of dollars on behalf of investors. In In re Merck Securities Litigation, she was a leader of the small trial team that achieved a $1.062 billion settlement in the action arising from Merck’s marketing of the recalled drug Vioxx. She was also a member of the trial team prosecuting In re Bank of America Securities Litigation, which resulted in a recovery of $2.425 billion, one of the largest shareholder recoveries in history.

Most recently, Katie led the teams that recovered $74 million in the securities class action against SunEdison and $50 million in the securities class action against FleetCor Technologies. Katie also led the team that recovered $74 million in the take-private merger litigation San Antonio Fire and Police Pension Fund et al. v. Dole Food Co. et al., and served as a senior member of the teams that recovered $210 million in In re Salix Pharmaceuticals, Ltd. Securities Litigation, $216.75 million in In re Washington Mutual Securities Litigation, and $210 million in In re Wilmington Trust Securities Litigation.

Along with partner Hannah Ross, Katie co-chairs the firm’s Women’s Forum, which offers opportunities for the firm’s clients to network and share ideas and knowledge with female leaders in pension funds and institutional investors around the world.

Katie’s success has earned her many recognitions, including being named a “Litigation Trailblazer” by The National Law Journal. She has been recognized as a "Titan of the Plaintiffs Bar" and a national “Rising Star” by Law360. For the last six years—from 2016 through 2021—Katie has been named to Benchmark Litigation’s “Under 40 Hot List,” which recognizes her as one the nation’s most accomplished legal partners under the age of 40. She was named a 2020 "Rising Star" by New York Law Journal and is regularly selected as a New York “Rising Star” by Thomson Reuters’ Super Lawyers. She has also been named a "500 Leading Plaintiff Financial Lawyer" by Lawdragon and a "Next Generation Partner" by Legal 500.