Judith Donath is a fellow at Harvard's Berkman Center[1] and was the founder of the Sociable Media Group at the MIT Media Lab. She has written papers on various aspects of the Internet and its social impact, such as Internet society and community, interfaces, virtual identity issues (see Internet troll), and other forms of collaboration that have become manifest with the advent of connected computing.
Donath spoke on identity, anonymity, and the wiki at the August 2006 Wikimania conference.