since 2014 Principal at Werner Sobek Frankfurt
since 2010 Passive House Designer, LEED AP and DGNB Auditor at Werner Sobek Frankfurt
2007 — 2010 Senior Consultant at WSGreenTechnologies
1996 — 2007 General manager of the office oehler archkom, Bretten/Germany
1994 — 1996 Architect at the office Thomas Herzog, Munich/Germany
1993 — 1994 Architect at the office Rainer Hascher, Berlin/Germany