Entrepreneur and investor. GP and Co-founder of Craft Ventures. Founding Chairman of Harbor. Previously: Founder/CEO of Yammer. Original COO of PayPal.nHe is Co-Founder of Craft Ventures. Craft Ventures is an early-stage VC fund dedicated to the craft of building great companies. We are founders who back founders. You can see our previous investments here: https://angel.co/david-sacks-comnAlso he is Founding Chairman at Harbor, Inc. Harbor is helping to power the next big wave in capital markets – tokenized securities - by implementing regulatory compliance on the blockchain. Harbor's Regulated Token Standard ("R-Token") allows issuers and investors to abide by existing rules and regulations when issuing and trading security tokens.