Jimmy Song is a Bitcoin Core Contributor and former VP of Engineering for Armory. He caught the Bitcoin bug back in 2011 and started contributing to Bitcoin open source projects in 2013. Today, Jimmy is a contributor at CoinDesk, has a popular Bitcoin blog, and in 2019 published a book called Programming Bitcoin. Jimmy has been teaching blockchain to engineers at Programming Blockchain for over three years, and is a Bitcoin Fellow at Blockchain Capital.