Apr. 2011 – Full Professor for Geoinformation - Engineering Swiss Federal Institute of Technology, ETH Zurich, Switzerland.Oct. 2011 – Member of the Energy Science Center, ETH Zurich Mar. 2011 – Adjunct Professor Department of Geography University of California, Santa Barbara, U.S.A. 2008 – 2011 Associate Professor Department of Geogra phy University of California, Santa Barbara, U.S.A.2008 – Affiliated faculty member Department of Computer Science Univ ersity of California, Santa Barbara, U.S.A. 2007 – Faculty member of Cognitive Science Prog ram University of California, Santa Barbara, U.S.A. 2006 – 2008 Assistant Professor Department of Geog ra phy University of California, Santa Barbara, U.S.A. 2005 – 2006 Junior Professor (W 1) Institute for Geoinformatics University of Münster, Germany 2004 – 2005 Assistant Professor (C1) Institute for Geoinformatics University of Münster, Germany Oct. 2003 – Sep. 2004 Subst itute Associate Professor (C3) Institute for Geoinformatics University of Münster, Germany 2002 – 2003 Assistant Professor (C1) Institute for Geoinformatics University of Münster, Germany1998 – 2002 ( Graduate) Research Assista nt Institute for Geoinformation Vienna University of Technology, Austria 1996 – 1997 Graduate Research Assistant National Center for Geographic Information and Analysis (NCGIA) and Department of Spatial Information Science and Engineering University of Maine, U.S.A. 1995 – 1996 Teaching Assistant Department of Geoinformation Vienna University of Technology, Austria