Christoph Krenn studied in Graz and Paris and received his Ph.D. in law from Goethe University Frankfurt. He is a research affiliate at the Max Planck Institute for Comparative Public Law and International Law in Heidelberg, where he was also a research and senior research fellow from 2011 to 2019. In 2019 he was awarded an APART-GSK-Fellowship by the Austrian Academy of Sciences to pursue a four-year research project on the rise of constitutional adjudication in Austria and Switzerland. He has been a visiting scholar at University Paris 1 Panthéon-Sorbonne, at iCourts Centre in Copenhagen and at University of Zurich.