Consultancy (examples): Budapest / Hungary, Belgrade / Serbia, Nouakchott / Mauretania (for INTA), Aleppo / Syria (for GTZ), Dublin / Ireland
UNECE: Head of Austrian delegation to the Committee on Housing and Land Management (CHLM), Chair of CHLM (2007-2013), Chair of Working Group Charter on Sustainable housing (2011-2013).
Eurocities: Chair of Working Group Housing (2006-2013)
University lectures: TU Wien, Donau-Universität Krems, Hafencity-Universität Hamburg, ETH Zürich, Politecnico Milano, Pratts Institute New York. Edinburgh University, Glasgow School of Arts
Housing Research: Director of Vienna Housing Research (2001-2017)