Professor Alexander Krämer is an expert in the field of Public Health with background in internal medicine and epidemiology, and after his tenure in the United States one of the founders of the first School of Public Health in Germany at Bielefeld University. Research fields include from a global public health perspective: urban health, climate change, infectious diseases, refugee health and the philosophy of health. As senior professor Krämer recently was the director of the Graduate Research Programme FlüGe with five faculties from Bielefeld University, Germany, addressing refugee health from inter- and transdisciplinary views. Krämer is editor and author of 10 books (e.g. ‘Modern infectious disease epidemiology’; ‘Refugee migration and health’; both Springer) and of more than 350 articles in international scientific journals.