Axel Gelfert is a Professor of Theoretical Philosophy at the Technical University of Berlin, where he works at the intersection of social epistemology and philosophy of science and technology. He completed his PhD in History and Philosophy of Science at Cambridge in 2005/06. He is the author of two monographs, A Critical Introduction to Testimony (Bloomsbury 2014) and How to Do Science With Models (Springer 2016), and a large number of research papers (e.g., "Fake News: A Definition", 2018). Prior to coming to Berlin, he spent more than a decade teaching at the National University of Singapore.
https://www.philosophie.tu-berlin.de/menue/fachgebiete/theoretische_philosophie/prof_dr_axel_gelfert