Jeff was a senior executive of a public listed company and he is also an expert on Blockchain technology, software engineering, and chip design. Developed many advanced technologies (including patents) and transferred those technologies into successful products, Jeff’s technical expertise spans across cryptocurrency, database engine, big data, IoT platform, operating system and video processing technologies. Since 2013, Jeff became a blockchain developer and CTO of a cryptocurrency mining hardware company, he developed a world-leading dual-miner that supports both Bitcoin and Litecoin. Jeff also served as R&D vice president of a Fortune 500 company in charge of building an Industrial Grade IoT platform and successfully developed the company’s world-leading IoT blockchain platform based on Hyperledger Fabric. Jeff was R&D Director of an IC design startup in charge of software and algorithms making invaluable contributions to the company’s IPO success in Nasdaq. Jeff also developed a world-leading mobile web browser which was later on acquired by Qihoo 360 (one of the top 5 Chinese internet companies) and became the foundation of Qihoo 360’s mobile web browser.