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Urania Berlin, June 6-7, 2011

Siem Vaessen

Siem Vaessen is managing partner at Zimmerman & Zimmerman. He is an expert in traditional and new media, both on the level of concept, design and implementation. He started his career at the Dutch press agency ABC Press in 1993 where he was responsible for the hardcopy international photo archive which consisted of the Magnum Photography collection anb the Corbis collection. In 1997 he was hired to manage the Dutch division of UPI and was co-responsible for the continious development of the digital photo archive through which UPI started delivering news imagery via the Internet. He worked as a photo-journalist and covered the conflict in Pakistani Kashmir and also covered the UN referendum in East-Timor in 1999.

Mr. Vaessen founded the Internet company webcode ( in 1999 and has ever since been managing the development of a variety of web and multimedia applications. Mr. Vaessen has been part of senior management at Noterik from 2004-2009 and currently holds the position of managing partner at Zimmerman & Zimmerman.