Zhili Zeng is a master’s student in David R. Cheriton School of Computer Science, Faculty of Mathematics at the University of Waterloo. As a member of the Software Repository Excavation and Build Engineering Labs, he works in CI/CD and test selection area. He received his bachelor’s degree in Computer Science from Zhejiang Sci-tech University. His bachelor’s thesis focused on heuristic algorithms. He was a trainee of the Code Lab program in Alibaba Group in 2019, he also worked for the technology sector in the Industrial Commercial Bank of China.