Sergei has extensive experience in both plaintiff- and defense-side antitrust work. As a plaintiff, Sergei was a key member of the US Airways trial team that won a jury verdict against Sabre after an eight-week trial, and the team that represented Honeywell in challenging a competitors’ merger in the interactive security industry. On the defense side, Sergei was part of the AT&T-Time Warner merger trial team, as well as the litigation team that paved the way for US Airways’ merger with American Airlines by obtaining favorable settlement in the DOJ’s suit seeking to block the merger.