John (Jun Ho) Lee is a Principal Data Scientist at Capital One, focusing on Retention Marketing Analytics for Upmarket Card since May 2025, following a merger. Prior to this role, John served as Principal Data Scientist and Lead Data Scientist at Discover from January 2023 to May 2025, where John collaborated with cross-functional teams to enhance customer segmentation and marketing strategies. Experience includes a Machine Learning Intern position at Avant, where John improved predictive models, as well as a Senior Analytics Associate role at athenahealth, creating dashboards for senior management. John's earlier work as Lead Project Manager at Dartmouth College involved developing data pipelines and innovative hardware solutions in behavioral neuroscience. Military service included operational and logistics roles in the Republic of Korea Army, where John received a PKO Medal. Academic credentials include a Bachelor's degree in Neuroscience and a Master's degree in Engineering Management from Dartmouth College and a Nano degree in Data Processing from Udacity.
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