Mark has more than 30 years’ experience representing clients in complex government antitrust investigations and litigations. During that time he has cleared hundreds of challenging horizontal and vertical merger transactions through various U.S. and foreign clearance processes, including numerous billion dollar transactions, expeditiously and most often without the need for any remedies. He focuses in particular on consumer products, high technology, software, pharmaceuticals, life sciences, healthcare, and defense industries. Mark is also an Adjunct Professor at Georgetown University Law Center, where he has taught Antitrust Law since 2001.
Board of Directors, Washington Council of Lawyers (a pro bono bar association).