About the Editors

Gregory E. Heltzer
Washington, DC
+1 202 756 8178

Greg focuses his practice on defending mergers and acquisitions before the US Federal Trade Commission, US Department of Justice, state antitrust authorities and foreign competition authorities. Greg has extensive experience in evaluating whether potential transactions will be cleared by antitrust enforcers and developing a viable path for clearance. In addition, he handles complex antitrust litigation, government investigations and antitrust counseling. Greg has experience in a variety of industries including: agriculture; chemicals (industrial); consumer electronics; dairy products; defense products (simulation and training); explosives and detonators; food-service equipment; fire retardants; food products and ingredients; glass production and packaging; health care services; medical devices; pharmaceuticals; software; and steel products.


Christian Krohs
+49 211 30211 220

Christian Krohs advises clients on all aspects of antitrust and competition law, including antitrust litigation, as well as compliance matters. Christian has extensive experience in all areas of EU and German antitrust and competition law, particularly in relation to cartel investigations, cartel damages claims, abuse of dominance proceedings and both national and international merger control projects. He has also advised numerous clients regarding antitrust and anti-corruption compliance as well as internal investigations.


Daniel Powers
Washington, DC
+1 202 756 8131

Dan focuses his practice on antitrust litigation, counseling and regulatory matters. He assists clients in a variety of industries, including health care, pharmaceuticals, mobile communications, aerospace and defense.

Dan advises clients on antitrust issues in connection with pricing and distribution activities, and mergers and acquisitions. He has defended numerous transactions before the US Federal Trade Commission (FTC) and the Department of Justice (DOJ). He also works regularly with clients on matters relating to merger notifications under the Hart-Scott-Rodino Act (HSR). Dan has successfully guided several hospital mergers through FTC review. He also has extensive experience litigating mergers challenged by the FTC under the 16 Code of Federal Regulations (CFR) Part 3 Rules. Dan also regularly counsels health care clients and their employees on antitrust compliance for ordinary-course business activities.


David Henry
+32 2 282 35 69

David Henry is a practising UK barrister, whose practice focuses on European competition law, including merger control, cartels and abuse of dominance, and the interaction between antitrust and intellectual property. He represents companies and trade associations in the aluminium, air transport, car parts, chemicals, electronics, medical devices, pharmaceuticals, power generation, food retailing and financial services and payment systems sectors. He also advises clients in proceedings before the European courts and national competition authorities. David also has considerable experience in export control matters, dispute resolution and white-collar crime.