Jaan Tallinn (born February 14, 1972) is an Estonian billionaire computer programmer and investor known for his participation in the development of Skype and file-sharing application FastTrack/Kazaa. Jaan Tallinn is a leading figure in the field of existential risk, having co-founded both the Centre for the Study of Existential Risk (CSER) at the University of Cambridge, in the United Kingdom and ... show more