Hi, I'm Evan. I am a member of technical staff at LMArena. I finished my master's in Electrical Engineering and Computer Science (EECS) at UC Berkeley in May 2025, advised by Professor Jiantao Jiao. I also completed my bachelor's degree in computer science at Berkeley. In addition, I've been lucky to mentored by Ion Stoica, Banghua Zhu, Anastasios Angelopoulos, and Wei-Lin Chiang.
Previously, my research has focused on Reinforcement Learning with Human Feedback (RLHF) for fine-tuning LLMs–– much my efforts revolved around reward model training and benchmarking.
During my master's I was also a Research Engineer at Nexusflow, where I trained open-weights LLMs like Athene-70B and Athene-V2-Chat. These days at LMArena, I'm focused on modeling human preference and shaping data quality.
Evan Frick*, Connor Chen*, Joseph Tennyson*, Tianle Li*, Wei-Lin Chiang*, Anastasios N. Angelopoulos*, and Ion Stoica. (2025).
Evan Frick, Tianle Li, Connor Chen, Wei-Lin Chiang, Anastasios N. Angelopoulos, Jiantao Jiao, Banghua Zhu, Joseph E. Gonzalez, and Ion Stoica. (2024).
Banghua Zhu*, Evan Frick*, Tianhao Wu*, Hanlin Zhu, Karthik Ganesan, Wei-Lin Chiang, Jian Zhang, and Jiantao Jiao. (2024).
Tianle Li*, Wei-Lin Chiang*, Evan Frick, Lisa Dunlap, Tianhao Wu, Banghua Zhu, Joseph E. Gonzalez, and Ion Stoica. (2024).
Evan Frick*, Peter Jin*, Tianle Li*, Karthik Ganesan, Jian Zhang, Jiantao Jiao, and Banghua Zhu. (2024).
Understanding and modeling human preferences.
Working on Chatbot Arena and model evaluations.
Improving chat models with RLHF. Training enterprise grade function calling LLMs.
Making LLMs better with RLHF. Advised by Professor Jiantao Jiao.
Worked on an all-encompassing environment-level change tracking and analytics system.
Researched Vision Transformer robustness in the dermatology domain.
Worked on secure server allocation systems for a 10,000 server build environment.
Made buttons button, clicks click, and moves move.
UC Berkeley Electrical Engineering and Computer Science | 2024 - 2025
M.S. in Electrical Engineering and Computer Science.
UC Berkeley Computing, Data Science, and Society | 2020 - 2024
B.A. in Computer Science, Minor in Data Science, Highest Distinction in General Scholarship.
Email: evanfrick[at]berkeley[dot]edu
Google Scholar: Evan Frick
LinkedIn: Evan Frick
Twitter: @evan_a_frick