Mary Ann Callahan, Blockchain and Bitcoin Expert / Consultant, Freelance Journalist, Cex.io
Mary Ann Callahan was born in Madrid, Spain. She is an expert in Bitcoin and blockchain-related topics. Her experience has spanned across the high technology and data worlds for more than a decade, as well as many other industries, from her current work as a journalist and blockchain authority / consultant at Cex.io, a cryptocurrency exchange, to her work as a social media marketing manager at Boston Globe Media and at Morrison & Foerster LLP. She holds a B.S. in economics from Yale University and a M.S. in journalism from Columbia University. She has written on many different technical topics, especially blockchain security and Bitcoin regulations.