Biography of Daniel Marcus Daniel Marcus, now retired, had a long career in private law practice, Government, and teaching in Washington. After graduating from Yale Law School in 1965, he was a law clerk for Judge Harold Leventhal on the U.S. Court of Appeals for the D.C. Circuit. Mr. Marcus then joined the law firm of Wilmer, Cutler & Pickering, where he became a partner and remained until 1998 – with a break from 1977-1980 to serve in the Carter Administration as Deputy General Counsel of the Department of Health, Education, and Welfare, and as General Counsel of the U.S. Department of Agriculture. In 1998 he retired from the law firm to join the Clinton Administration, first as Senior Counsel in the White House Counsel’s Office, and then as Associate Attorney General (the third-ranking position in the Department of Justice). From 2001 to 2015, Mr. Marcus was a professor at Georgetown University Law Center and American University Washington College of Law, with a break in 2003-2004 to serve as General Counsel of the 9/11 Commission.
