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University of Tartu
Theoretical physics



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Jaan Tallinn

Jaan works on the overall strategy for ASI, on top of researching and reviewing potential portfolio companies.

He is considered to be one of the foremost experts on P2P technologies, and together with Ahti and Priit worked out the core elements for Kazaa and Skype. He continues to be involved with Skype, where he’s one of the lead system architects.

Jaan has been known to sketch potential solutions for teleportation on napkins. Voracious reading and home life make up the rest of his pastimes.

Jaan holds a degree in theoretical physics from the University of Tartu.

Currently he serves as CTO of MetaMed Research LLC, and also a co-founder of the Cambridge Project of Existential Risk.

Recent Milestones


Company Date Round Size Participants
Fleep 3/2014Seed€360k4
Fleep 8/2013Seed€260k2
Experiment 6/2013Seed$1.23M22



    List of CSER founders ( [edit]
  1. Fleep, The Team Messaging App Built & Funded By ‘Skype Mafia’, Adds Mac, Windows And Android Apps ( [edit]
  2. Ex-Skypers Aim To Bridge The Gap Between Email And Messaging With Launch Of Fleep ( [edit]
  3. Wall Street Journal ( [edit]
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Last Edited 3/18/14

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