Magister, J.W. Goethe University, Frankfurt-am-Main, Germany, 1997. Doctor of Philosophy, J.W. Goethe University, Frankfurt-am-Main, Germany, 2000.
Fieldwork in Europe, Asia, and Africa (mainly Palaearctic Arid Belt). Head Omani Rock Art Project, since 1999. Freelance researcher in mammalogy and humanities, public.
Consultant on rock art Government Portugal, 1997. Congress chair IRAC, since 1996, International Congress of Zoology, since 2000. Lecturer on prehistory art.
Member of Senckenberg Society, American Society Mammalogists, Society for Biological Systematics, German Society Mammology, German Society for Petroiconology (president), Studienstiftung des Deutschen Volkes.