Roland Seifert was born in 1960 in Berlin, Germany. He was fellow of the Merit Scholar Foundation of Germany and earned his MD degree at the Free University of Berlin in 1986. From 1986-1995 he worked in the group of Professor Günter Schultz in the Department of Pharmacology of the Free University of Berlin. From 1995-1998, he worked with Dr. Brian Kobilka at Stanford University, CA, USA. From 1998-2004 he was Associate Professor in the Department of Pharmacology and Toxicology of The University of Kansas, Lawrence, KS, USA before taking over the Chair of Pharmacology and Toxicology at The University of Regensburg, Germany. His research focuses on the molecular mechanisms of GPCR-activation, G-protein function and adenylyl cyclase regulation.

Thomas Wieland was born in 1960 in Karlsruhe, Germany. He studied Pharmacy at the University of Heidelberg where he obtained his PhD in Pharmacology in 1989. From 1990-1996 he worked in the group of Professor Karl H. Jakobs in the Department of Pharmacology of the Universities of Heidelberg and Essen, Germany. From 1996 -1997, he was a research fellow with Dr. Melvin I. Simon at the California Institute of Technology, Pasadena, CA, USA. From 1997 - 2002 he was Professor in the Department of Pharmacology and Toxicology of the University of Hamburg, Germany. Since July 2002 he is Professor of Pharmacology and Toxicology at the University of Heidelberg, Germany. His research focuses on the GPCR induced activation of heterotrimeric G-proteins and monomeric GTPases and the regulation of these processes by accessory proteins.