Andreas Buser is affiliated with the Berlin/Potsdam DFG Research Group “International Rule of Law – Rise or Decline?” and Freie Universität Berlin where he teaches courses in international law, constitutional- and human rights, and administrative law. He currently pursues his Habilitation (working title: The Planetary Constitution). In his PhD thesis he focused on the impact of emerging powers on international trade and investment law from a global justice perspective. During his PhD he was invited as an academic fellow to National University Delhi (Prof. M.P. Singh) and Xiamen Law School (Prof. Cai Congyan). Andreas Buser is a fully qualified German lawyer. As part of his legal training he inter alia worked for the Federal Ministry of Economic Affairs and Energy, the European Centre for Constitutional Rights, and the Berlin office of ClientEarth. He continues to provide legal advice to NGOs in environmental litigation cases.