Hi there, I'm Zexin Xu (徐泽鑫)! πŸ‘‹

πŸ’‘ My name is pronounced as "Zeh-Shin She", and I also go by Jason.

I am a second-year Ph.D. student in Computer Science at the University of Texas at Dallas, co-advised by Dr. Yu Xiang and Dr. Wei Yang. I work in the Intelligent Robotics and Vision Lab (IRVL). My current research focuses on reinforcement learning for robotics, with additional interests in post-training and learning technology. Recently, I led team ASTRO in the Amazon Trust AI Challenge, where we were selected as one of the five Red Teams globally and made it into the finals.

Prior to UTD, I completed both my M.S. and B.S. in Computer Science and Engineering at The Ohio State University, where I worked with Dr. Yu Su. During my master's program, I led the software engineering team for SalsaBot in the Amazon Alexa Prize SimBot Challenge. In the field of learning technology, I collaborated with Dr. Di Xu (UCI), Dr. Qiujie Li (NTU), and Dr. Zilu Jiang (JHU) on TimeWise, an educational conversational agent project. Our team participated in the Tools Competition 2024 and was selected as one of the five finalists among approximately 2,000 submissions.

My avatar
NEWS
  • Crossed the 100-citation milestone! I’m deeply grateful to my collaborators and mentors for making this possible. Thank you!

    Nov 06, 2025
  • Joined Dr. Yu Xiang's Intelligent Robotics and Vision Lab (IRVL) at UT Dallas. Really excited for this new journey in robotics!

    Oct 03, 2025
  • Our Team ASTRO has been selected as one of the 4 finalists in the Amazon Trust AI Challenge! Check this out!

    Jun 24, 2025
  • Our paper "SoK: Efficiency Robustness of Dynamic Deep Learning Systems" accepted to USENIX Security '25! Check our LinkedIn Post!

    Jun 15, 2025
  • Grateful to my amazing coauthors and advisors! Our LLM4SR (LLM for scientific research) survey paper is now on arXiv!

    Jan 08, 2025
  • Led team ASTRO to be selected as one of the five Red Teaming groups for the Amazon Trust AI Challenge. See you in Seattle! πŸš€

    Nov 01, 2024
  • I'm so blessed to be married to the love of my life, Jessie! ❀️ Here's to forever together πŸ₯‚

    Oct 23, 2024
  • Our project TimeWise has been selected as one of the five finalists in the Tools Competition 2024! πŸŽ‰

    Apr 16, 2024
SELECTED PUBLICATIONS
All Publications→
  • Efficiency Robustness of Dynamic Deep Learning Systems USENIX Security

    Ravishka Rathnasuriya, Zexin Xu, Tingxi Li, Zihe Song, Mirazul Haque, Simin Chen, Wei Yang

    USENIX Security '25

  • LLM4SR: A Survey on Large Language Models for Scientific Research arXiv

    Ziming Luo, Zonglin Yang, Zexin Xu, Wei Yang, Xinya Du

    arXiv preprint

  • 2025

  • Towards a robust and generalizable embodied agent CVPR

    Chan Hee Song, Jiaman Wu, Ju-Seung Byun, Zexin Xu, Vardaan Pahuja, Goonmeet Bajaj, Samuel Stevens, Ziru Chen, Yu Su

    Embodied AI Workshop at CVPR

  • Exploring the Role of Artificial Intelligence in Facilitating Assessment of Writing Performance in Second Language Learning Languages

    Zilu Jiang, Zexin Xu, Zilong Pan, Jingwen He, Kui Xie

    Languages

  • 2023
    SELECTED PROJECTS
    All Projects→
    Embodied AgentPython

    SalsaBot is an innovative embodied agent, specifically developed for the first Alexa Prize Simbot Challenge. The agent’s core function is to guide users through a game in a virtual setting, focusing on a seamless, user-centric experience.

    ChatbotReactFlask

    An LLM-based conversational agent using cognitive behavioral therapy to transform users' time management skills.

    ReactChrome Extension

    Chrome Extension for Time-Stamping Youtube Captions

    Feel free to email me about anything. I am happy to chat and discuss potential collaborations!