Xian Fang Bak is a Library Data Scientist faculty member at the Stony Brook University Library. She applies statistical analysis, machine learning, modern artificial intelligence, and data visualization approaches to support data-driven decision making in library applications. In earlier roles, she conducted econometric and quantitative studies across regional real-estate markets, analyzed green energy valuations, and developed predictive models for fintech organizations.

Prior to joining Stony Brook University, she worked as a Senior Data Scientist at both Avenue One and Roofstock, where she focused on large-scale housing data, pricing models, and predictive analytics for single-family rental portfolios. Before that she was a Quantitative Analytics Senior at Freddie Mac, supporting mortgage and housing market analytics. She also worked at the think tank Resources for the Future, quantifying the financial impacts of green energy technology.

Xian earned her PhD in Applied Economics from the University of Illinois at Urbana-Champaign, where her research focused on regional impacts of foreclosures and spatial econometrics. Her academic work has been published in leading peer-reviewed journals and cited in policy and industry contexts.

Her Stony Brook University page is available here.



Contact

Email: xian.bak@stonybrook.edu
LinkedIn: (link)