Nicolas Klein is currently a Trainee Lawyer at Martens Rechtsanwälte in Munich. He holds a LL.M. degree from Columbia Law School and is admitted to practice law in the State of New York. Prior to joining Martens Rechtsanwälte he was a Research Fellow and Doctoral  Candidate at the Chair of Public International Law of Justice Andreas L. Paulus of the German Federal Constitutional Court at the University of Göttingen.