As a sought-after speaker, he has given keynote addresses and speeches around the world for organizations including Abbvie, Cisco, Oracle, Roche, E&Y, Accenture, Gilead, ENEL, Intesa, Banca Sella, Mediolanum, Alphabet, Internet Advertising Bureau, European Foundation for Management Development, and H-Farm. He is an author of Something New about the role of artificial intelligence in our society. The book is available in three languages, English, Italian, and Spanish. David is a mentor for the Thiel Fellowship, a Scientific Advisory Board Member for the Lifeboat Foundation, a Founder of the Open Government Data working group, and an Advisor to the Institute of Ethics and Emergent Technologies and numerous startups. He was the Chairman of the Board, and is an Advisor to Humanity+, an organization dedicated to promoting understanding, interest, and participation in fields of scientific advancement and emerging innovation that benefit the human condition. He was an Adjunct Professor at LUISS Business School in Rome, one of Italy’s leading institutions.