seit 2022 — Head Prüfungsausschuss B.Sc./M.Sc. Physical Geography as well as BA/MA Cultural Geography
since 2022 — Spokesperson of the International Doctoral Program “Measuring and Modelling Mountain Glaciers in a Changing Climate” within the Elitenetzwerk Bayern funded by the Bavarian State Ministry of Science & Arts
2015-2017 — Speacker Department Geographie & Geowissenschaften
2014-2016 — Head of Institut für Geographie, 2013/14 and 2016/17 co-head of insitute
since 2012 — Secretary German National Committee on SCAR /IASC, member of the SCAR Standing Scientific Group Physical Sciences
since 09/2011 — Professor for Physische Geographie (Remote sensing & GIS) at the Institut für Geographie, FAU Erlangen-Nürnberg
2010-2011 — Associate Professor of Geophysics at the Geophysical Institute and Department of Geology & Geophysics, University of Alaska Fairbanks, USA
since 2010 — Member of the TanDEM-X and Tandem-L Science Teams
2009 — Science award for Physical Geography of the Prof. Dr. Frithjof Voss Stiftung für Geographie
2009 — Habilitation at the Faculty of Math and Natural Sciences of the Rheinischen Friedrich-Wilhelms-Universität Bonn
2006 — DAAD Short-term lectureship at the Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
2004-2013 — Chairman of the Special Interest Group on Land Use of the European Association of Remote Sensing Laboratories (EARSeL)
2001-2010 — Scientific coordinator of the Center for remote sensing of Land Surfaces at the University of Bonn
2001 — Doctor of natural sciences at the Faculty of Earth Sciences, Freiburg University
1990-1997 — Study of Hydrology at the Albert-Ludwigs-Universität Freiburg i Br.
Since 1994/95 — Head and participant of several Antarctic and Arctic expeditions as well as research expeditions in Alaska, South America, West- & East Africa, Himalaya & Karakoram