David Weisberger
Senior Machine Learning Modeler at Cash App
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolDavid Weisberger is a Senior Machine Learning Modeler with a decade of experience applying physics-trained rigor and humanities-rooted curiosity to fraud mitigation and product ML at companies including Cash App, Instacart, Hawkfish, pymetrics, and the Hillary campaign. He migrated from German literature to physics and then into data science, blending deep analytical modeling with practical production engineering to limit fraud losses and drive data-informed product decisions. A seasoned practitioner in building and operationalizing ML models, he pairs academic research instincts (including PhD-level physics work) with hands-on experience across political tech, HR analytics, e-commerce, and fintech. Based in New York, he’s known for translating complex signals into robust, scalable systems—and for bringing a rare cross-disciplinary perspective that surfaces unexpected features and causal insights.
10 years of coding experience
7 years of employment as a software developer
Doctor of Philosophy (Ph.D.) — unfinished, Physics, (degree unfinished), Doctor of Philosophy (Ph.D.) — unfinished, Physics, (degree unfinished) at Arizona State UniversityMaster of Arts - MA, German Language and Literature, Master of Arts - MA, German Language and Literature at Freie Universität BerlinMaster’s Degree, Physics, Master’s Degree, Physics at San Francisco State UniversityData Science Fellow, Data Science Fellow at Galvanize - Denver, PlatteBachelor's degree, German Literature and Cultural History, Bachelor's degree, German Literature and Cultural History at Columbia University
English, German
Github Skills (9)
fairness-ml8
machine-learning-models8
machine-learning6
offline-app6
search-engine5
algorithm5
sorting-algorithms4
artificial-intelligence1
deep-learning1
Programming languages (2)
Github contributions (5)
dwww2012/Accent-Classifier
Apr 2016 - Nov 2017
Contributions:6 commits, 1 PR, 5 pushes in 1 year 7 months
dwww2012/hq_fun
Apr 2018 - Oct 2019
Contributions:12 pushes, 1 branch in 1 year 6 months
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