Kai Ye

👤 About Me

1. I am a PhD student in the Department of Statistics at The London School of Economics and Political Science (LSE), advised by Chengchun Shi.
2. I am also the Chief Technology Officer (CTO) at Stats-Powered AI.
3. Prior to this, I completed an MSc in Applicable Mathematics at LSE.
4. Before that, I received a BSc in Mathematics with Finance from The University of Liverpool and Xi'an Jiaotong-Liverpool University.

🔬 Research

My current research focuses on the intersection of reinforcement learning and large language models, with particular interest in:

• Offline reinforcement learning and policy optimization
• Confounded and partially observable environments (POMDPs)
• Human feedback alignment and preference-based learning
• Doubly robust estimation and variance-reduction techniques
• High-dimensional statistics and distributional analysis