Ethan Hart
Applied Scientist at eBay Inc
Portland, Oregon, United States
Summary
👤
Senior🎓
Top SchoolEthan Hart is an applied scientist based in Portland, Oregon with 12 years of experience specializing in computational and cognitive linguistics and practical NLP solutions. He currently leads Named Entity Recognition and information extraction efforts at eBay, translating linguistic theory into production-grade machine learning models. His background spans speech recognition and human language technology roles at AppTek and SAIC, plus corpus annotation work at University of Colorado, giving him end-to-end expertise from annotation schemas to deployed inference. Trained in linguistics at University of Colorado and Uppsala with focused study in computational linguistics, he blends rigorous linguistic insight with hands-on ML engineering. Colleagues describe him as someone who surfaces subtle, cognitively motivated features in NER systems—an approach that improves robustness beyond standard pattern-based methods.
12 years of coding experience
3 years of employment as a software developer
MA, BA, Linguistics, MA, BA, Linguistics at University of Colorado at BoulderUppsala universitet / Uppsala UniversityMA, Computational Linguistics, MA, Computational Linguistics at Linguistic Society of America Summer Institute
Swedish, Norwegian, Spanish
Github Skills (10)
pac9
closed9
logic8
vtt8
subtitle8
java6
python6
pool4
chrome-extension4
chrome3
Programming languages (2)
Github contributions (5)
ethanhart/rosalind
May 2014 - Aug 2015
Contributions:38 commits, 3 pushes in 1 year 2 months
ethanhart/pypacc
Dec 2013 - Apr 2021
A python utility to read the contents of a PAC Closed Caption (subtitle) file
Contributions:24 commits, 1 PR, 2 pushes in 7 years 5 months
captionpythonclosedpacpython-utility
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