Speaker details

Biography

Margaret T. Segall Cravath, Swaine & Moore LLP Maggie Segall is a partner in Cravath’s Litigation Department and a member of the Firm’s Antitrust Practice. Ms. Segall’s practice focuses on transactional matters, antitrust regulatory approval and government investigations, including civil conduct investigations brought by both federal and state antitrust authorities, as well as general antitrust counseling and critical antitrust litigation. Named “Dealmaker of the Year” by Global Competition Review (“GCR”) in 2025, she is described as “truly one of the finest antitrust attorneys” and “prolific in securing clearances for high-value mergers, as well as advising clients on government investigations.” (The Legal 500 US) Among other deals, Ms. Segall has recently represented Cisco in its $28 billion acquisition of Splunk, Aon in its $13 billion acquisition of NFP, Biogen in its $7.3 billion acquisition of Reata Pharmaceuticals, RWE in its $6.8 billion acquisition of the Con Edison Clean Energy Businesses and Pepsi in its $1.95 billion acquisition of poppi. Additionally, she is representing Corteva in antitrust litigation brought by the FTC and 12 state attorneys general challenging certain of its rebate pricing programs as anticompetitive, as well as in related putative class action litigation filed in the wake of the FTC’s complaint. Ms. Segall also represents Epic Systems in an action asserting monopolization and other antitrust claims arising out of alleged conduct in an alleged market for “payer platforms,” and she was part of the team that represented Amgen in successfully defending against an FTC challenge to its $27.8 billion acquisition of Horizon Therapeutics, the largest in Amgen’s history. Her other clients have included ADT, AerCap, Anheuser-Busch InBev, Afterpay, DreamWorks Animation, HJ Heinz Company, Occidental Petroleum, Time Warner, Unilever and Viatris. In addition to Ms. Segall’s “Dealmaker of the Year” award from GCR, she earns repeated recognition for her antitrust work by Chambers USA and The Legal 500 US, including as a “Leading Lawyer” for antitrust merger control. She has been selected for Crain’s New York Business’s list of “Notable Women in Law,” and Lawdragon’s lists of “500 Leading Global Antitrust & Competition Lawyers” and “500 Leading Litigators in America.” Ms. Segall has also been included in Bloomberg Law’s and GCR’s “40 Under 40” lists, as well as the “40 & Under List” by Benchmark Litigation, which has consistently recognized her as a “Future Star.” Ms. Segall is a fellow of the American Bar Foundation and a member of the Antitrust Sections for the American Bar Association, New York State Bar Association and International Bar Association, where she also serves as a Publications Officer.