Günter M. Ziegler started his studies at LMU Munich. He received his PhD in Mathematics at M.I.T. in 1987. Since 1995 he has been Professor of Mathematics at Technische Universität Berlin, since 2011 at Freie Universität Berlin, where since 2018 he serves as the President. He is a member of the Berlin-Brandenburg Academy of Sciences and Humanities, of the German National Academy Leopoldina, and of the German Academy of Engineering Sciences acatech. He has received numerous awards, including a DFG Leibniz prize, an ERC Advanced Grant, the Communicator Award, and the Berlin Science Prize of the Governing Mayor of Berlin.