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Chung Yan Cheung is a skilled data scientist with extensive experience in health data science and a strong academic background in neuroscience. Currently working at Grammarly since February 2022, Chung has previously held the position of Principal Data Scientist at Rally Health (Optum Digital) from October 2018 to February 2022, where notable contributions included developing predictive models for member healthcare visits and conducting advanced statistical analyses to enhance health equity and user engagement metrics. Chung’s foundational expertise was established through a PhD in Neuroscience from the University of California, San Francisco, and earlier roles as a Research Technician at Massachusetts General Hospital and an Undergraduate Researcher at UC Berkeley, with a focus on behavioral studies and genomic research. Additionally, Chung has demonstrated technical skills through projects like a food recipe recommendation web app and has been recognized for impactful research with funding from the National Science Foundation.