Jessica Delbaum is a partner in the Antitrust practice of Shearman & Sterling’s New York office.

Jessica focuses on defending multi-national companies’ mergers and acquisitions before the Federal Trade Commission and the Department of Justice as well as coordinating the multi-jurisdictional antitrust defense of transactions. She also counsels clients on an extensive array of antitrust issues such as competitor collaborations, cartel leniency applications, and Hart-Scott-Rodino Act compliance, including integration planning. Jessica has also defended substantive merger investigations involving a wide variety of industries, including pharmaceuticals, medical devices, chemicals, industrial gases, agriculture and financial services.

Prior to joining Shearman & Sterling, Jessica was an Attorney General’s Honors Program Attorney in the Antitrust Division of the Department of Justice. While at the Division, she investigated possible violations of the antitrust laws involving mergers and acquisitions, the reporting and waiting requirements of the Hart-Scott-Rodino Act and civil price-fixing.