Ellis Ratner

Ellis Ratner is a Software Engineer at Waymo, with experience in designing and implementing real-time algorithms for autonomous driving systems. Prior to this role, Ratner served as a Senior Robotics Researcher at RobotWits LLC, where focus was on decision making under uncertainty and trajectory planning from June 2014 to June 2017. Additionally, Ratner gained research experience as a Robotics Institute Summer Scholar at Carnegie Mellon University, working in the Search-based Planning Lab under Maxim Likhachev. Educationally, Ratner holds a PhD in Electrical Engineering and Computer Science from the University of California, Berkeley, completed in 2022, and a Bachelor’s degree in Computer Science, Mathematics, and a minor in Physics from Bowdoin College, obtained in 2014.