Reinhard Jahn (born 21 December 1950) is a German biophysicist and neurobiologist known for his studies of cellular membrane fusion.
Dr. Jahn moved to New York City to work as a postdoc in the lab of Paul Greengard, where he went on to become an Assistant Professor at The Rockefeller University.
In 1986 he returned to Germany as a Junior Group Leader at the Max Planck Institute of Biochemistry in Munich.
In 1991 he moved to New Haven to join the faculty at the Yale School of Medicine, where he became a Howard Hughes Medical Institute Investigator.
[1] He was recruited back to his alma mater to become Director at the Max Planck Institute for Biophysical Chemistry, position which he holds currently.