Yixuan Su

Experience

• 2023 — Present
  Cohere · London

  • Staff Research ScientistJul 2026 — Present
    Developing post-training recipe for agentic AI.
  • Senior Research ScientistJun 2025 — Jul 2026
    Core contributor to the post-training of Command A+. Led the post-training of Command A Reasoning.
  • Research ScientistMay 2023 — Jun 2025
    Contributed to the post-training of Command A, Command R7B, Command R+, and Command R.
• 2022
  Google DeepMind · London

  Student Collaborator · with Dani Yogatama
• 2021
  Amazon AWS AI · Seattle

  Research Intern · with Lei Shu and Yi Zhang
• 2020
  Apple Siri · Cambridge

  Research Intern · with David Vandyke
• 2018 — 2019
  Tencent AI Lab · Shenzhen

  Research Intern · with Yan Wang and Xiaojiang Liu
• 2017
  Microsoft Research Asia · Beijing

  Research Intern · with Lei Ji

Education

• Oct 2019 — May 2023
  Ph.D. in Computation, Cognition and Language
  University of Cambridge
  Advisor: Prof. Nigel Collier · Committee: Prof. Andreas Vlachos and Prof. Mirella Lapata
• Oct 2017 — Sep 2018
  M.Phil in Machine Learning, Speech and Language Technology
  University of Cambridge
  Advisors: Prof. Anna Korhonen and Dr. Simon Baker
• Sep 2013 — Jun 2017
  B.S. in Engineering
  Beijing Institute of Technology

Selected Publications

Highlights below · full list on Google Scholar

• A Contrastive Framework for Neural Text Generation
  Yixuan Su, Tian Lan, Yan Wang, Dani Yogatama, Lingpeng Kong, Nigel Collier
  NeurIPS 2022 Spotlight
• PandaGPT: One Model To Instruction-Follow Them All
  Yixuan Su*, Tian Lan*, Huayang Li*, Jialu Xu, Yan Wang, Deng Cai*
  TLLM 2023
• Contrastive Search Is What You Need For Neural Text Generation
  Yixuan Su, Nigel Collier
  TMLR 2023
• Multi-Task Pre-Training for Plug-and-Play Task-Oriented Dialogue System
  Yixuan Su, Lei Shu, Elman Mansimov, Arshit Gupta, Deng Cai, Yi-An Lai, Yi Zhang
  ACL 2022
• Repetition In Repetition Out: Understanding Neural Text Degeneration from the Data Perspective
  Huayang Li, Tian Lan, Zihao Fu, Deng Cai, Lemao Liu, Nigel Collier, Taro Watanabe, Yixuan Su
  NeurIPS 2023
• Dialogue Response Selection with Hierarchical Curriculum Learning
  Yixuan Su*, Deng Cai*, Qingyu Zhou, Zibo Lin, Simon Baker, Yunbo Cao, Shuming Shi, Nigel Collier, Yan Wang
  ACL 2021
• Language Models Can See: Plugging Visual Controls in Text Generation
  Yixuan Su, Tian Lan, Yahui Liu, Fangyu Liu, Dani Yogatama, Yan Wang, Lingpeng Kong, Nigel Collier
  arXiv 2022
• A Survey on Retrieval-Augmented Text Generation
  Huayang Li*, Yixuan Su*, Deng Cai*, Yan Wang*, Lemao Liu*
  arXiv 2022

Interns & Collaborators

• Huayang Li
  PhD, Nara Institute of Science and Technology
• Zongqian Li
  PhD, University of Cambridge
• Yinhong Liu
  PhD, University of Cambridge
• Meiru Zhang
  PhD, University of Cambridge

Invited Talks

• University of Glasgow · Jan 2023
• CIPS NLG Webinar · Oct 2022
• MLNLP Webinar · Aug 2022
• Princeton University · Aug 2022
• University of Cambridge · Jun 2022
• University of Washington · Apr 2022
• DeepMind London · Apr 2022
• University of Oxford · Mar 2022
• NAIST · Mar 2022
• Tencent AI Lab · Feb 2022

Professional Service

Reviewer: NeurIPS (2023–), ACL (2020–), EMNLP (2021–), NAACL (2021), AAAI (2021), EACL (2021), TASLP (2022–), ACL Rolling Review (2021–)