I received Ph.D. degree in Computer Science at New York University in January 2020. Then I joined Amazon as Applied Scientist in Alexa AI. My research interest involves LLM Reward Model for RLHF, LLM Human Evaluation, Transaction Fraud Prevention, Adversarial Machine Learning, Computer Vision, NLP, Wireless Communication and Game Theory. During my graduate study, I have published 18 papers and presented at 9 international conferences. I have completed 150+ peer reviews for Journals & Conferences, including IEEE ITS, IEEE PES, CDC, TCOM-TPS, ICASSP, Interspeech, etc. From 2021 to 2023, I served as Area Chair of the NLP and ASR category at Amazon Machine Learning Conference (AMLC).