Christoph Müller is a researcher at the Eurac Research Institute for Comparative Federalism focusing on digital transformation. Müller teaches EU law at the Sigmund Freud University Vienna and sustainable development policies at the Vienna University of Economics and Business as well as at the FH Campus Wien–University of Applied Sciences. His past teaching comprises Webster University Vienna, Zürich University of Applied Sciences, Geneva Graduate Institute of International and Development Studies, and the Austrian Federal Administration Academy. He studied law at the universities of Innsbruck and Vienna and received his PhD in law from the University of Vienna. From 1996 to 2016, he served at the Austrian Ministry of the Environment, the Permanent Representation of Austria to the EU and the Federal Chancellery. In this role, his responsibilities were the conception, coordination and negotiation of sustainable development, environment, energy, climate change and transport laws and policies at the national, EU and global levels.