1981-83 Studies of art history and theater science, LMU München
1983-85 Studies of Theater
1983-87 Theater works in München
1987-89 Apprenticeship as a landscape gardener
1989-91 Professsional occupation as journeyman of landscape gardening in München
1991-96 Studies of Landscape Management at TU München-Weihenstephan, Diploma of Landscape Architecture
1996-2000 Research Associate at the Chair of Landscape Architecture and Design, Prof. Christoph Valentien, Technische Universität München-Weihenstephan
1996 Freelancer in different landscape architecture studios
1998 Foundation of keller landschaftsarchitekten
1999 Member of Bayerische Architektenkammer
2003 Arts scholarship of Bayerische Akademie der Schönen Künste
2004 BDLA Member Teaching assignment for Landscape Architecture (Faculty of Architecture) at FH München
2005 Studio partnership with Franz Damm Full Professor of Landscape Architecture and Public Space at Technische Universität München Bayerischer Wohnungsbaupreis Gärten Höfe Plätze
2006 Dean of the Faculty of Landscape Architecture and Planning
2009 Renaming of the design studio: Keller&Damm Landschaftsarchitekten Stadtplaner Partnerschaft
2009-11 Dean of the Faculty of Architecture, TU München
2011 Foundation of the design studio Keller Damm Roser Landschaftsarchitekten Stadtplaner GmbH
2011-14 Vice president of TU München
2017 Renaming of the office to Keller Damm Kollegen GmbH Landschaftsarchitekten Stadtplaner
2019-21 "Affiliated Professor" at the Rachel Carson Center of the LMU Munich
2021 Head of Department Architecture, School of Engineering and Design
