David R. Brenneman represents clients on the antitrust aspects of mergers and acquisitions (M&A), joint ventures, and other business combinations and has experience in a wide range of industries, including technology, telecommunications, life sciences, and financial services. David has coordinated premerger notifications and regulatory review around the world for hundreds of multimillion- and multibillion-dollar transactions. He has defended several high-profile transactions before the US Department of Justice (DOJ) Antitrust Division, US Federal Trade Commission (FTC), and European Commission, and has represented several investment management firms in connection with DOJ investigations under Section 8 of the Clayton Act.