Dr. Krail studied industrial engineering at the University of Karlsruhe (TH) until 2002 focusing on logistics and marketing. Between 2003 and 2009 he was scientific researcher at the Institute for Economic Policy Research (IWW) at the University of Karlsruhe (TH). His research focused on integrated, system-based assessment of transport and environmental policies on behalf of the European Commission, the Ministries of Education and Research, Transport and Digital Infrastructure and Environment as well as of the German Parliament. He coordinates the scientific advisory of the German Mobility and Fuels Strategy (MFS) and he coordinated the EU FP7 project ASSIST. He contributed among others to the research projects LOTSE, TIPMAC, INSURE, TRIAS, TRANS-TOOLS, IMPACT, Otello, Future of Automobile Industry, iTREN-2030, GHG-TransPoRD, FUTRE, TRIMODE, SET-Nav and REFLEX.
He taught courses in economic assessment, macroeconomic dynamics and supervised several seminars and diploma theses. In 2009 he completed his PhD in economics at IWW on the impacts of income on mobility behaviour. For this purpose he developed and implemented a socioeconomic module and a diffusion model for alternative fuel technologies in the ASTRA model. Since August 2009 he has been working as senior researcher at Fraunhofer ISI.