Hello, I'm Clayton and I like rating systems and paired comparison experimentation.
I work on rating systems and evaluation for LLMs at LMArena.
For fun I work on rating systems and evaluation for esports with riix[docs] and EsportsBench[paper][code].
M.S. degree in Computer Science, University of Massachusetts Amherst, 2019
B.S.E degrees in Computer Science and Data Science, University of Michigan, 2018
Member of the Technical Staff, LMArena AI, 2025-present
Rating systems and leaderboards for LLMs.
Senior Data Scientist, Apple, 2025-2025
Evaluation.
Applied Scientist, Microsoft, 2020-2025
ML, NLP, Recommender Systems, and LLMs for Outlook, Teams, and Copilot.
Data Scientist Intern, Microsoft, Summer 2019
Applied machine learning to detect, predict, and find root causes for manufacturing defects.
Research Intern, Lawrence Livermore National Laboratory, Summer 2018
Investigated deep reinforcement learning based approaches for developing sepsis treatments.
Data Science Intern, ViaSat Inc, Summer 2017
Developed deep learning methods for browser resource prefetching.
Undergraduate Research Assistant, University of Michigan, 2015-2016,2018
Worked on NLP projects in deception detection, sentiment analysis, and short text clustering.