Jessica Delbaum is a partner in Shearman & Sterling’s antitrust group in New York. Her practice focuses on defending multinational companies’ mergers and acquisitions before the Federal Trade Commission and Department of Justice as well as coordinating the multi-jurisdictional antitrust defense of transactions. Jessica Delbaum 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. She has defended substantive merger investigations involving a wide variety of industries, including health care, industrial gases, mining and finance. Prior to joining Shearman & Sterling, Jessica Delbaum was an Attorney General’s Honors Program Attorney in the Antitrust Division of the Department of Justice. While at the Division, Jessica Delbaum 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.