VADIM BRUSSER has a broad antitrust practice advising clients worldwide on all aspects of antitrust law, including mergers, acquisitions, joint ventures, government investigations and litigation, and general antitrust counseling.
Vadim represents clients across a wide range of industries, including medical devices, pharmaceuticals, software and technology, physician practices, energy and energy infrastructure, retail, financial services, and manufacturing. Prior to joining Sidley, he was a partner at another international law firm, and also served as a lawyer at the Federal Trade Commission involved in merger and non-merger investigations and litigations.
Vadim has been recognized for his antitrust work by various publications, including Lexology Index, which most recently named him a “Global Elite Thought Leader” in Competition for 2025, describing him as a lawyer who “routinely secures clearance for major, multibillion-dollar transactions” and who “impresses observers with his ‘in-depth knowledge of any given matter and his ability to juggle numerous tasks at once.’” Lexology Index recognized Vadim as a competition law “Future Leader” from 2019-2024. He was named a “Rising Star” by The Deal in 2021.