Nils-Göran Larsson, born 1959, studied medicine and defended his Ph.D. thesis in mitochondrial genetics in 1992 at the University of Gothenburg, Sweden. In 1994, he became a specialist in pediatrics. From 1994 to 1997 he worked as a HHMI postdoctoral fellow in the lab of Dr. David A. Clayton at Stanford University School of Medicine, California. He returned to Sweden in 1997 and started working at Karolinska Institutet, where he became professor in mitochondrial genetics in 2002. He is a member of the Nobel Assembly at Karolinska Institutet and a member of the Royal Academy of Sciences. He has won several national awards for his research. In 2008, he took up a position as Director at the newly founded Max Planck Institute for Biology of Ageing in Cologne, Germany.