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Xi Chen has a strong background in quantitative research, software engineering, and teaching. They worked as a Quantitative Researcher at Citadel Securities starting in March 2020. Prior to that, they held roles at LinkedIn, where they were a Senior Software Engineer from October 2018 to February 2020. In that role, they proposed a two-step framework for improving salary insights, resulting in a 35 times improvement and increased active user coverage by 600%+. They also worked as a Software Engineer at LinkedIn from June 2017 to September 2018, where they focused on developing a Bayesian statistical model for computing robust insights at the company level. Before their time at LinkedIn, Xi Chen was a Graduate Research and Teaching Assistant at Duke University from August 2013 to May 2017, where they focused on Bayesian analysis and prediction in dynamic networks for adaptive ad placement. They also worked as a Research Intern at LinkedIn in 2016 and as a Software Engineering Intern in 2015.

Xi Chen earned a Bachelor of Science with Science and Engineering Honors and a Bachelor of Arts degree from Zhejiang University between 2009 and 2013. The fields of study for these degrees were Mathematics & Applied Mathematics and English Language & Literature. Subsequently, Xi Chen pursued a Doctor of Philosophy (Ph.D.) in Statistical Science from Duke University between the years 2013 and 2017.