Back to the Future” Workshop zu Technology, Governance and Citizenship, Istanbul/Türkei, Juli 2010. (pdf odp)

“Wireless Community Mesh Networks – Free Infrastructure Self-made” FREED.IN Konferenz, Delhi/Indien, Februar 2008.

“Who can you trust ?” Workshop zu Technology, Governance and Citizenship, Bangalore/Indien, Dezember 2007. (pdf odp)

“Free Software for Wireless Community Networks.” FOSS.IN Konferenz, Bangalore/Indien, December 2007. (pdf odp)

“Using IT for the Benefit of small Artisians and Enterprises. OpenNet – A free community network. Selfmade.” Programme on Financing Micro Enterprises & Cluster Development. Reserve Bank of India’s College of Agricultural Banking, Puna/Indien, September 2007.

“Community Wireless Networks – a solution for rural India?” Workshop zu Wireless Networking. Indian Institute of Information Technology and Management, Trivandrum, Kerala/Indien. Dezember 2006.

“From Linux to communtiy based networks.” Institute of Engineering and Technology Radaur, Haryana/IIndien. Oktober 2006.

Interview on Radio LOHRO über Opennet. Rostock, April 2006. (mp3)

“Opennet – a selfmade community-based Network.” Ceremonial opening of the computer science year. Rostock, March 2006. (ppt odp)

IT systems to support communication and collaboration in (educational) networks. Utopias and realities.” 14th University Days of Vocational Training, Bremen, March 2006.

“Microtechnologists – highly qualified and yet at a dead end. In search of a suitable model for advancement qualification.” Together with Kalisch, C. Microsystem Technology Congress, Freiburg, October 2005. (pdf)