Lei (Holly) Hao is the Chief Technology Officer of Everest Ventures Group. Holly is the expert of payment system, scalability and high concurrency architecture design. He was a Senior Architecture at Yeahmobi with 3+ years of experience in blockchain. Prior to that, he was the Senior Developer at Alipay and Alibaba, where he led the development of payment settlement and security architecture. Holly holds a M.S. degree in Chinese Academy of Science.