Tiancheng Yu (余天呈)

yutc [at] mit [dot] edu  

I am a researcher at Two Sigma.

I completed my Ph.D. in 2023 and M.S. in 2020, both at MIT EECS and advised by Prof. Suvrit Sra. I worked on provably robust reinforcement learning (RL) and near-optimal learning in sequential games. I completed my B.E. in 2018 at Tsinghua University, major in Electronic Engineering and minor in Statistics. I was fortunate to be advised by Prof. Yuan Shen.

In Fall 2019, I visited Princeton Univerisity and worked with Prof. Chi Jin. In Summer 2017, I was fortunate to join Stanford UGVR program and advised by Prof. Tsachy Weissman. In Fall 2016, I was an exchange student in University of Wisconsin, Madison and worked with Prof. Dimitris Papailiopoulos.

Selected Publications

*: equal contribution or alphabetical order.


  • I enjoy piano and vocal (Bel-Canto) performing in my spare time. I am fortunate to learn from the inspiring musicians Tianxu An, Xiaopei Xu, Jen-tao Yu, Bingchuan Wan, Yongqian zhang (张永前) and Linbo Fu (付林波).
  • I used to do competitive bodybuilding and join the Varsity Team in Tsinghua in 2016. Later I gradually switch to powerlifting. I am fortunate to learn from the fantastic athletes and coaches Max Dremel, Dan Green, Cheng Tang (唐诚) and Chenyu Mao (毛晨雨).
  • I have always been a hungry reader in literature, history and (social) science since childhood. I began to write about my PhD life in WeChat Blog "余在水 " since May 2020. The articals are based on my personal communication with my family. Check it out!
  • I translated the cute AI book "You Look Like a Thing and I Love You: How Artificial Intelligence Works and Why It's Making the World a Weirder Place " into Chinese:《你看起来好像……我爱你(AI的工作原理以及它为这个世界带来的稀奇古怪)》(Janelle Shane著, 中信出版集团). Check it out!