Bitcoin advocate and serial entrepreneur Andreas Antonopoulos has spent more than two decades advising organizations on emerging technologies and trends. He is a prolific public speaker, talking at conferences and seminars on various IT topics. In addition to founding five companies, Antonopoulos has written two books on cryptocurrencies (Mastering Bitcoin and The Internet of Money) and hosts the Let's Talk Bitcoin podcast. Antonopoulos served for a while as chief security officer at Blockchain.info and then transitioned into the role of board adviser. He currently holds the position of CTO at Third Key Solutions and owns an advisory company that bears his name. Antonopoulos holds an MSc in data communications, networks and distributed systems from University College London.