Brian Byrne’s practice focuses on the antitrust review of mergers and acquisitions, criminal antitrust investigations and other enforcement matters, and civil antitrust litigation.Brian joined Cleary Gottlieb in 1995 and became a partner in 2004. Resident in the firm’s Brussels office from 2008 to 2011, he offers clients seamless counsel on cross-border matters and has been deeply involved in transactional and enforcement matters in both the U.S. and Europe and many other jurisdictions.