I am a Research Scientist at Facebook AI in Menlo Park. I obtained my Ph.D. degree at Columbia University in May 2019, working with Prof. Shih-Fu Chang. My Ph.D. thesis focuses on computer vision and deep learning, with an emphasis on video analysis and understanding. I received the best student paper nomination in CVPR’17. I won the first place in ActivityNet challenge’s temporal proposal track and localization track in 2017.