Rishab Ghosh is the Co-Founder & VP Research at Topsy.com. Rishab also started “First Monday”, the most widely read peer-reviewed journal of the Internet, in 1995 with Ed Valauskas, Esther Dyson and Vint Cerf. In 2000, he started the Collaborative Creativity Group at the University of Maastricht, the Netherlands, the leading research group on the economics of free/open source software, Wikipedia and other forms of collaborative innovation.

Rishab has researched and published on how reputation works and motivates in online communities for over 12 years, collaborating with Stanford, Oxford, Cambridge & Tsinghua Universities, with grants from the US National Science Foundation and European Commission. Rishab is also a board member of the Open Source Initiative.

• Using Influence To Tune Signal To Noise On The Social Web