Dan holds a B.S. in Industrial and Labor Relations from Cornell University and a J.D. from Columbia University School of Law, where he was a member of the Law Review and a Kent Scholar. After graduation from law school, he was a law clerk for the US Circuit Court of Appeals for the District of Columbia Circuit.
Dan has chaired the American Bar Association's Section of Administrative Law and is a member of the American Law Institute. He currently chairs the US Chamber of Commerce Litigation Center. He has also chaired the Civil Justice Reform Group, as well as the PhRMA Law Section Executive Committee. He was the 2012 CPR Corporate Leadership Award recipient and, in 2013, was named a 'Legend in the Law' at the Burton Awards.