David R. Brenneman represents clients on the antitrust aspects of mergers and acquisitions (M&A), joint ventures, and other business combinations and collaborations. David has talents in a wide range of industries, including life sciences, publishing, technology, telecommunications, energy information services, metals, and financial services. David has defended several high-profile transactions before the US Department of Justice (DOJ) Antitrust Division, US Federal Trade Commission (FTC), and the European Commission. David has coordinated Hart-Scott-Rodino (HSR) notifications and other merger control filings around the world for hundreds of multimillion- and multibillion-dollar transactions and has guided clients through dozens of DOJ and FTC investigations and second requests.