Shearman And Sterling

K. Mallory Brennan is a partner in the Litigation practice.

She focuses on representing global financial institutions and corporations in mergers and acquisitions litigation and transactional disputes, securities litigation, and other complex commercial disputes, including bankruptcy and antitrust actions. She also has experience counseling multinational corporations in connection with both internal and regulatory investigations.

Mallory has been ranked by Chambers USA in 2022 for securities litigation. In 2018, 2019, and 2020 Mallory was named to the Benchmark Litigation 40 & Under Hot List, and in each of 2017, 2018, 2019, 2020, and 2021 Mallory was recognized by The Legal 500 as a “Next Generation Lawyer” for M&A Litigation Defense. She has also been named a “Rising Star” by the New York Law Journal and the Euromoney Legal Media Group.