Bob Greifeld was CEO of Nasdaq from 2003 to 2016 and led the exchange through winds of change. Bob was an out-of-the-box hire who profoundly changed the Nasdaq culture and oversaw the transition from paper-based trades to full computer-based trades. Bob sat down with Jeff to talk about what it was like leading Nasdaq, the importance of creating the right company culture, and what Bob sees as the future of trading. Hint: it involves crypto.