Zack Witten
Prompt Engineer And Librarian at Anthropic
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolZack Witten is a machine learning engineer with 11 years of experience focused on NLP and applied ML in both research-driven and production settings, currently working as a Prompt Engineer and Librarian at Anthropic. He previously led personalized civic integrity efforts at Meta and built production NER and information-extraction systems for legal and media domains at Atrium and Upbeat. Trained in mathematics, computer science, and NLP (University of Chicago; Northwestern MS), Zack blends rigorous academic foundations with hands-on model deployment and tooling. He’s selective about outreach—preferring tangible, public prompt-engineering work—and often pushes for quantitative deep dives into prompt behavior, reflecting a data-first curiosity that complements his product-facing engineering.
11 years of coding experience
7 years of employment as a software developer
Master of Science - MS, Natural Language Processing, Master of Science - MS, Natural Language Processing at Northwestern UniversityBachelor of Science - BS, Mathematics and Computer Science, Bachelor of Science - BS, Mathematics and Computer Science at University of Chicago
Github Skills (38)
regression8
mobilenet7
efficientnet7
machine-learning6
pytorch6
reinforcement-learning6
react5
fairness-ml5
language-modeling5
deep-learning5
realtime5
windows4
korean-nlp4
python4
computer-vision4
Programming languages (3)
Github contributions (5)
zswitten/zswitten.github.io
Aug 2019 - Feb 2023
Personal Website
Contributions:1 review, 72 commits, 86 pushes in 3 years 7 months
react
zswitten/trophy-leader
Jan 2019 - Jun 2019
Contributions:11 commits, 9 pushes, 1 branch in 4 months
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