Marc Siegel is joining Jones Day's San Francisco Office as a partner in its Antitrust & Competition Law practice. Mr. Siegel comes to Jones Day after more than 30 years at the United States Department of Justice, where he served in numerous positions, most recently as senior counsel for criminal enforcement. "Marc is an exceptional lawyer and his track record at the DOJ speaks for itself. He will be a great resource for our clients potentially facing matters involving federal cartel investigations," said David Wales, who leads Jones Day's Antitrust & Competition Law practice. "Lawyers with his credentials are rare. He will be a great addition to the our global practice."