Prof. Oliver Diggelmann holds the Chair of International Law, European Law, Public Law, and State Philosophy at the University of Zurich. He is also Executive Director of the Institute of International and Foreign Constitutional Law and teaches and researches in the areas of international law, constitutional law, and migration law. He has led various major academic projects, most recently co-editing the new edition of "Verfassungsrecht der Schweiz" (Swiss Constitutional Law). He has been a visiting professor or conducted research at Science Po Paris (2023), Harvard Law School (2021), and Humboldt University Berlin (Berlin Research Group "International Law – Rise or Decline?"; 2018), among others.