George Kass was trained as a biochemist. He received his PhD in biochemical toxicology from the Karolinska Institute in Stockholm in 1990. After a post-doc at the Swiss Federal Institute of Technology in Zurich he returned to the Karolinska Institute as Assistant Professor. In 1994 he moved to the University of Surrey in the UK as Lecturer (Associate Professor) in Molecular Toxicology and was subsequently nominated Full Professor of Toxicology. He moved to the European Food Safety Authority in 2009.
George Kass was awarded a DSc from the Karolinska Institute and the University of Turku in Finland and he holds or has held visiting posts with the University of Surrey, the University of Newcastle, the University of Turku and the University of Rome.
He has published over 100 papers and abstracts in the field of Toxicology. A substantial part of his research has focused on the molecular mechanisms of drug toxicity and on liver injury. He has been an invited speaker at many national and international conferences and currently is Associate Editor of the journal Toxicology and Applied Pharmacology and on the editorial board of Chemico-Biological Interactions.