Yi Yang
Director Data Science
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolYi Yang is a data science leader with 12 years of experience building risk and machine learning solutions at major fintech firms, currently serving as Director of Data Science at PayPal in New York. He progressed through leadership roles at PayPal and American Express after foundational analytics work at Capital One, blending hands-on modeling (Python, SQL, SAS, Teradata) with program-level risk strategy. Trained in statistics and economics at Georgia Tech and with a finance and English background from top Chinese universities, he bridges quantitative rigor with clear communication across stakeholders. A PhD student interested in NLP, he brings research curiosity to production problems, often applying tree-based methods and geospatial tools (ArcGIS) to complex risk and fraud challenges.
12 years of coding experience
12 years of employment as a software developer
MS Statistics, MS Statistics at Georgia Institute of TechnologyBE Finance, BE Finance at Nankai UniversityBA English, BA English at Tianjin University
English, German, Chinese
Github Skills (9)
gaussian8
expressions8
theano7
mathematical7
pymc6
gaussian-processes5
python5
mathematical-expressions5
math4
Programming languages (1)
Github contributions (5)
yiyang-gt/entity-link
Jul 2014 - May 2016
Contributions:6 commits, 2 pushes in 1 year 10 months
yiyang-gt/social-attention
Jan 2017 - Apr 2017
Contributions:16 commits, 15 pushes, 1 branch in 3 months
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