Bachelor of Technology, Indian Institute of Technology, Delhi, India, 1977. Diplom.-ingenieur, Technology Hochschule Darmstadt, Germany, 1980.
Research scientist Deutsche Bundespost Telekom, Darmstadt, 1981-1995, head research group, 1991-1995. Project supervisor EURESCOM Heidelberg, 1995-1999. Head department engineering & methods management T-Nova Deutsche Telekom Innovationsgellschaft, Bonn, Germany, 1999-2001.
Manager Nippon Electric Corporation Europe Ltd., Network Laboratories Heidelberg, since 2001. Member executive council Committee for Science Investigation of Claims on Paranormal. Chairman Study Group 10 International Telecomm.
Union-Telecomm Standardization Sector, since 1996, co-chairman Study Group 17, since 2001.
Member Gesellschaft for Informatik, Society for the Scientific Investigation of Para-Science (founder, honorary secretary since 1987).
Married Renate Kristiane Demmler, January 5, 1979. Children: Navina, Olivia, Dominik.