Stefan Thomas

Stefan Thomas

Stefan Thomas

Chief Technology Officer at Ripple

Stefan Thomas is the CTO of Ripple, the San Francisco-based blockchain company powering frictionless payments for more than 100 customers worldwide. Prior to joining Ripple in 2013, Stefan worked as a developer in Germany, Switzerland, and the UK. As an early Bitcoin contributor, Stefan produced the popular “What is Bitcoin?” video, which introduced millions of users to Bitcoin. He also created the first Bitcoin implementation in JavaScript (BitcoinJS), which is used by hundreds of blockchain companies of all sizes today. Currently, Stefan is developing the Interledger Protocol (ILP), an open source standard for connecting payment networks. Stefan recently worked with the Bill & Melinda Gates Foundation and other partners to develop Mojaloop, an open source, ILP-enabled national payment switch that connects mobile wallets in developing markets. Stefan also sits on the board of the JS Foundation.