MARCUS GROETTRUP is a Professor for Immunology in the Department of Biology of Konstanz University in Germany. His main interests are in the role of the immunoproteasome in antigen fragmentation and autoimmunity. Moreover, he has studied the function and conjugation of the ubiquitin‐like protein FAT10. He studied biochemistry in Tübingen and ET H Zürich and did his diploma thesis in the laboratory of H. Hengartner and R. Zinkernagel. During his PhD at the Basel Institute for Immunology with H. von Boehmer he discovered the pre T cell receptor. After habilitation at Humboldt University Berlin in the group of P‐M. Kloetzel on the topic of antigen processing he founded his own group at the Cantonal Hospital St. Gallen, Switzerland. Since 2002 he holds the Chair of Immunology at the University of Konstanz, Germany. Several prizes were awarded to Dr. Groettrup like the Award of the Sandoz Foundation for Therapeutic Research, the Karl Lohmann Prize of the German Society for Biological Chemistry, the Langener Science Prize of the Paul Ehrlich Institute, and the Research Award by the CaP CURE foundation.