Michael J. Casey is CoinDesk's chief content officer. Previously, Casey was the CEO of Streambed Media, a company he cofounded to develop provenance data for digital content. He was also a senior advisor at MIT Media Labs's Digital Currency Initiative and a senior lecturer at MIT Sloan School of Management. Prior to joining MIT, Casey spent 18 years at The Wall Street Journal, where his last position was as a senior columnist covering global economic affairs. Casey has authored five books, including "The Age of Cryptocurrency: How Bitcoin and Digital Money are Challenging the Global Economic Order" and "The Truth Machine: The Blockchain and the Future of Everything," both co-authored with Paul Vigna. Upon joining CoinDesk full time, Casey resigned from a variety of paid advisory positions. He maintains unpaid posts as an advisor to not-for-profit organizations, including MIT Media Lab's Digital Currency Initiative and The Deep Trust Alliance. He is a shareholder and non-executive chairman of Streambed Media. Casey owns a small amount of bitcoin.