Professor Mendelsohn is a Of Counsel at Cozen O’Connor, P.C. He has taught at the law center for more than 25 years.¬†¬†Formerly he was a Partner with Mendelsohn & O’Keefe. He was also formerly the Deputy Assistant Secretary for Transportation Affairs at the U.S. Department of State. Other past positions include Partner in the firm of Mendelsohn & Szymkowicz, and Attorney-Adviser in the Legal Adviser’s Office of the U.S. Department of State.