Darren S Tucker is co-head of the antitrust group at Vinson & Elkins in Washington, DC. Darren has two decades of experience handling the largest, most complex merger and non-merger antitrust investigations, with a focus on the technology, energy, and pharmaceutical sectors. Darren has played key roles in many of the most prominent antitrust cases involving US agencies, including two trials against the US government (FTC v Arch Coal (DDC) and FTC v CCC (DDC)) and the settlement of a leading gun jumping case (US v Gemstar (DDC)). He has helped obtain clearance for approximately 100 mergers and acquisitions.In 2017, Global Competition Review recognised Darren as one of the leading antitrust lawyers under the age of 45. Other groups recognising Darren as a leading antitrust lawyer include The Legal 500 and Super Lawyers. He has been part of the leadership of the American Bar Association’s Section of Antitrust Law for over a decade, where he currently serves on the section’s governing council.From 2009–2013, Darren served as an attorney advisor to Commissioners Joshua D Wright and J Thomas Rosch at the Federal Trade Commission. In that role, he advised the commissioners on staff enforcement recommendations, litigation strategy, and policy matters, including the 2010 Merger Guidelines. This experience allows Darren to provide valuable insights to clients regarding competition enforcement and policy issues.