Sarah Zhang is the founder of Guangzhishu Technology Co., Ltd, dba, Points Technology. Points provides blockchain-based confidential computation solutions for banks, insurance companies and Internet companies. Without exposing raw data to each other, data owners collaborate on computation tasks and model training, while the blockchain serves as the witness for the data and model usage process. Previously, she was the COO of Segway Robotics Inc., and worked as a senior product manager at Amazon. Sarah received her MBA from Harvard Business School and her Master’s in Public Policy from Harvard Kennedy School of Government.