Dan is co-executive chairman of Winston & Strawn and one of the most distinguished and sought-after trial lawyers in the United States. He has tried more than 100 jury cases involving a wide variety of claims and been named a fellow of the prestigious American College of Trial Lawyers. Notably, Dan achieved international acclaim for his successful prosecution of retired Admiral John Poindexter in the Iran-Contra Affair. He served as the U.S. Attorney for the Northern District of Illinois and has served in special prosecutor or similar roles on several occasions, including for the successful prosecution of actor Jussie Smollett in Chicago, for which he was named Am Law’s “Litigator of the Week” in December 2021.