Hao P. is an experienced engineering professional currently working at Notion since July 2024. Previously, Hao held the position of Software Engineer at AtoB from January 2022 to April 2024, and served as a Staff Software Engineer at YouTube between July 2019 and January 2022. Prior to that, Hao worked at Google from June 2012 to July 2019 in various engineering roles, including Staff Software Engineer and Senior Software Engineer. Hao's career began with an internship as an Android Programmer at Xiaomi Company in early 2011, contributing to the development of the "MiTalk" instant messaging software. Academic credentials include a Master’s degree in Computer Science from Yale University (2011-2012) and dual Bachelor’s degrees in Computer Science, and Math and Applied Math from Peking University (2007-2011). Current coursework at Yale includes Artificial Intelligence, Theory of Distributed Systems, Object-oriented Programming, and Introduction to Database.