Yefeng Ruan is a skilled software engineer currently working at Google since 2022. They previously held the position of software engineer at Bloomberg LP from 2018 to 2022. Yefeng has also contributed as a research assistant at Indiana University-Purdue University at Indianapolis from 2012 to 2018, focusing on trust management systems and stock market predictions using data from Twitter, as well as serving as a teaching assistant in various computer science courses. They earned a Ph.D. in Computer Science from Purdue University, and hold both a Master’s and Bachelor’s degree in Electrical, Electronics, and Communications Engineering from Zhejiang University and Wuhan University of Technology, respectively.