Ben Rachbach
Summary
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SeniorBen Rachbach is a Machine Learning and Evaluation Product Manager with a decade of experience blending software engineering, research, and startup-building to improve how AI answers research questions. At Elicit he leads ML roadmap and a dedicated evaluation team that creates automated, high-fidelity evals—work that drove a ~78% precision improvement in search and underpins the product’s core data-extraction feature. He also designed evals and tasks for published research on iterated decomposition and has hands-on experience translating customer needs into ML specs and MVPs. Earlier roles range from technical PM and experimenter at Ought to leading engineering teams at Wonder Workshop, demonstrating a rare mix of product rigor, empirical research practice, and shipping production systems. Based in the Bay Area, he combines human-centered design instincts with a quantitative, experiment-driven approach to make AI outputs more accurate and vettable.
10 years of coding experience
Github Skills (23)
debugging10
probabilistic-programming10
language-model10
python10
forecasting10
prediction10
jupyter-notebook10
forecast10
adafruit9
minecraft9
question-answering9
jax9
makecode8
distributions7
blockly7
Programming languages (6)
Github contributions (5)
brachbach/host-files
Mar 2022 - Jul 2023
host files to link to
Contributions:1 PR, 39 pushes, 1 branch in 1 year 4 months
hostlink
brachbach/frontendCalendar
Aug 2016 - Jan 2019
Contributions:2 pushes, 1 branch in 2 years 5 months
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