Yunhao Jiao, a Yale University graduate with a master’s degree. He has nearly five years of experience at AWS, where he served as a Senior Software Engineer. During his time at Amazon, he played a crucial role in building the Contract Tests framework for AWS CloudFormation, ensuring that resource types operated as expected throughout their lifecycle. Since 2015, Yunhao has been actively involved in NLP research, publishing his first AI paper as the lead author in 2017. He also contributed to education as the Chinese High School Artificial Intelligence Textbook editor. After his tenure at Amazon, Yunhao founded TestSprite and participates in the Techstars Miami and YC China accelerator programs.