Chul Pak is a partner in Wilson Sonsini Goodrich & Rosati's antitrust practice, where he focuses on antitrust litigation, mergers, and counseling. Chul defends clients in class actions, individual lawsuits, and complex multi-district antitrust litigations across the United States. His litigation matters include representing manufacturers, services companies, and technology firms in monopolization, tying, exclusive dealing, price-fixing, patent misuse, and conspiracy claims. Chul also counsels companies in mergers and non-merger investigations before the Federal Trade Commission, the Department of Justice, and numerous state attorneys general.

Prior to joining the firm, Chul served as the assistant director of the Mergers IV Division at the Federal Trade Commission. In that role, Chul supervised a 25-attorney team responsible for investigating mergers and acquisitions across a wide spectrum of industries, including consumer goods (food and beverages), retail stores (supermarkets, department stores, and other retail venues), cable and related media entertainment, and hospitals. Chul also represented the FTC in numerous high-profile trials in federal court and the FTC's internal administrative adjudication tribunal.