Stefan Felder has been a Full Professor of Health Economics at the Department of Business and Economics and Director of the Basel Center for Health Economics, University of Basel, Switzerland, since 2011. He studied Economics and Sociology and received his Ph.D. and his venia docendi from the University of Bern, Switzerland. He worked and taught at the University of Western Ontario, Canada (1990/92), the University of Zurich, Switzerland (1992/1996), and the University of Fribourg, Switzerland (1993/95), before joining the Faculties of Medicine and Economics at the University of Magdeburg, Germany, in 1997. From 2008 to 2011, he was a Professor of Health Economics at the University of Duisburg-Essen, Germany, and from 2011 to 2015, Director of the German Health Economic Research Center CINCH in Essen. From 2013 to 2020, he was the Executive Secretary of the European Health Economic Association, President of the German Association of Health Economics (2017), and Presidentof the Swiss Society of Health Economics (2016-2020). Thomas Mayrhofer is a Professor of Economics at Stralsund University of Applied Sciences, Germany, and a Lecturer at Massachusetts General Hospital and Harvard Medical School of Harvard University, USA. He studied Economics at the University of Magdeburg, Germany, and received his Ph.D. in Economics from the University of Duisburg-Essen, Germany. Before becoming a Professor in Stralsund in 2015, he worked at the German Health Economic Research Center CINCH in Essen and at Massachusetts General Hospital and Harvard Medical School of Harvard University, USA.