President of Radnor International Consulting Inc.; Co-Founder of iGrandparents.com
Founder & CEO, OurCrowd
Cryptographer & Crypto-hacker; Co-founder & CEO of Blockstream
BTC022: Dr. Adam Back & Bitcoin's Proof of Work
Co-Founder & Managing Partner at SoGal Ventures
Founder of Americana.Tv & Author of "Americana: A 400-Year History of American Capitalism"
Americana: A 400-Year History of American Capitalism
Investor, Researcher, Blogger, and Best-Selling Author of "The Business Blockchain"