Projects

2022 - NewLimit is working to radically extend human healthspan using epigenetic reprogramming.

2020 - ResearchHub is helping accelerate the pace of scientific research.

2019 - I signed the GivingPledge.

2018 - GiveCrypto.org - a non-profit distributing cryptocurrency globally. Now part of Coinbase Pledge 1%.

2012 -  Coinbase - helping create an open financial system for the world.

2004 - UniversityTutor - a free online directory of tutors. Acquired in 2014.