Membership in Societies

Academia Europaea

Academy of Sciences and Literature, Mainz (Corresponding Member)

Fellow of the American Geophysical Union (elected 2012)

American Meteorological Society

Intergovernmental Panel on Climate Change

Co-Chair Working Group I, Fifth Assessment Report of the Intergovernmental Panel on Climate Change, (2008- )

Coordinating Lead Author of Chapter "Global Climate Projections" of the Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, (2004-2007)

Member of the drafting team of the Summary of Policymakers, AR4 IPCC WGI, (2004-2007)

Coordinating Lead Author of Chapter "Physical Climate Feedback and Processes" of the Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change, (1998-2001)

Lead Author of the Technical Summary, Member of Drafting Team Summary for Policymakers, Member of Core Writing Team of the Synthesis Report of TAR IPCC WGI, (1998-2001)

Scientific Committees

Director of NCCR Climate, the Swiss Climate Research Programm of the Swiss National Science Foundation, (2008-)

Editorial Boards

Editorial Board Quaternary Science Reviews, (1999-)

Editorial Board Earth and Planetary Science Letters, (1999-)

Board of Reviewing Editors Science, (2002-2008)

Past Membership

Member of the Research Council of the Swiss National Science Foundation, (2006-2010)

President of the Curatorium of ProClim, the Forum for Climate and Global Change, of the Swiss Academy of Sciences, (2007-2008)

President of the Research Committee of the University of Bern, (2002-2007)

Director of PAGES (Past Global Changes), a core project of IGBP, (2002-2004)

Scientific Steering Group CLIVAR (Climate Variability and Predictability), a project of WCRP, (2002-2005)

US National Research Council: Member of the Board on Abrupt Climate Change, (2000-2001)