Hiroyuki Tanaka is a Senior IT Specialist at IBM System Lab Services Japan with over 20 years of product development experience. He joined IBM in 1996 as an engineer of product development, and started Power Systems and mainframe service delivery in 2012. His key contributions are in design and implementation of IBM's state-of-the-art technology and products, especially in cloud and big data. Recently he has been performing blockchain skill enablement and technical support for various clients based on his deep knowledge of Hyperledger Fabric.