Reviewer, Journals: J. Adv. in Model. Earth Syst., Atmos. Chem. Phys., Atmos.-Ocean, J. Atmos. Sci., J. Climate, Climate Dynamics, Envir. Res. Lett., Geophys. Model Dev., J. Geophys. Res.-Atmos., Geophys. Res. Lett., Meteor. Zeitschrift, Mon. Weather Rev., Nature Climate Change, Nature Geoscience, Proc. Nat. Acad. Sci., Quarterly J. Royal Met. Soc., Proposals: British Natural Environmental Research Council (NERC), Civilian Research and Development Foundation (CRDF), Dutch Research Council (NWO), French National Research Agency (ANR), German-Israeli Foundation (GIF), German Research Foundation (DFG), Humboldt Foundation, National Aeronautics and Space Administration (NASA), National Science Foundation (NSF), Natural Sciences and Engineering Research Council of Canada (NSERC), Quebec Research Fund - Nature and Technologies (FRQNT). 2004-present