Holt, CEO, American Association for the Advancement of Science (Session Host) Johanna Wanka, German Federal Minister of Education and Research (Official Opening) 2014 David Chipperfield, David Chipperfield Architects Karl Deisseroth, Stanford University, USA Stefan Hell, Max Planck Institute for Biophysical Chemistry, Germany Lisa Kaltenegger, Cornell University, USA Christof Koch, Allen Institute for Brain Science, USA Nathan S. Lewis, California Institute of Technology, USA Mariana Mazzucato, University of Sussex, UK Svante Pääbo, Max Planck Institute for Evolutionary Anthropology, Germany Alan Rusbridger, Former Editor-in-Chief of The Guardian, UK Thierry Zomahoun, African Institute for Mathematical Sciences (AIMS), South Africa Anton Zeilinger, University of Vienna, Austria Diane Griffin, vice-president of the United States National Academy of Sciences (Session Host) Angela Merkel, Chancellor of the Federal Republic of Germany (Official Opening) Sir Paul Nurse, President of the Royal Society, UK (Session Host) Rupert Stadler, CEO, AUDI AG, Germany (Dinner speech) Philippe Taquet, President of the French Academy of Sciences (Session Host) Lev Zelenyi, Vice President of the Russian Academy of Sciences (Session Host) 2013 Jagdish N. Bhagwati, Columbia University, USA Olafur Eliasson, artist Jill Farrant, University of Cape Town, South Africa Stephen Friend, President Sage Bionetworks, USA Anita Goel, CEO Nanobiosym, USA Rolf-Dieter Heuer, CERN, Switzerland Jules A. Hoffmann, Université de Strasbourg, France Robert P. Kirshner, Harvard University, USA Daniel G. Nocera, Harvard University, USA Onora O'Neill, Baroness O'Neill of Bengarve, University of Cambridge, UK Mark Pagel, University of Reading, UK Dan Shechtman, Technion – Israel Institute of Technology, Israel Salil Shetty, Secretary General Amnesty International, UK Luc Steels, Universitat Pompeu Fabra Barcelona, Spain Ai Weiwei, artist 2012 David Awschalom, University of California, Santa Barbara Monique Breteler, Harvard School of Public Health in Boston Michael Bruter, London School of Economics Philip Campbell, Nature Publishing Group Awa Marie Coll-Seck, Senegal's Health Minister David Harel, The Weizmann Institute of Science, Israel Michel D. Kazatchkine, UN Special Envoy for HIV/Aids in Eastern Europe and Central Asia Alan I. Leshner, AAAS and Science Daniel Libeskind, Architect Helga Nowotny, European Research Council (ERC), Vienna Ina Schieferdecker, Fraunhofer FOKUS/Technische Universität Berlin Hal Varian, Google Inc. Daniel Zajfman, Weizmann Institute of Science, Israel 2011 Anastasia Ailamaki, École Polytechnique Fédérale de Lausanne Nick Barton, Institute of Science and Technology, Austria Aaron Ciechanover, Technion Robert Darnton, Harvard University Ingrid Daubechies, Duke University Robert E. Horn, Stanford University Wang Hui, Tsinghua University, Beijing Mary Kaldor, London School of Economics Ferenc Krausz, Max Planck Institute for