Hayden Sansum
Founding AI Engineer at Lexi
Boston, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolHayden Sansum is a Founding AI Engineer with nine years of data science and engineering experience spanning UK government, health diagnostics, and personalization at Spotify. He led corporate data science at the UK Ministry of Justice, translating policy needs into robust, ethically governed ML pipelines and mentoring teams to raise analytical capacity. At Day Zero Diagnostics he progressed from Data Scientist to Lead Data Scientist, applying production ML to high-stakes diagnostics before moving to found Lexi. Trained as an engineer (MEng) and with an MS in Data Science from Harvard, he blends mechanical-electrical systems thinking with rigorous data practice, often focusing on reproducibility, automated ETL, and unsupervised methods. Based in Boston, he brings a pragmatic, detail-oriented approach honed in fast-paced technical roles and a track record of turning complex, sensitive datasets into actionable, trustworthy insights.
9 years of coding experience
10 years of employment as a software developer
A-Levels & GCSE, A-Levels & GCSE at Sir Thomas Rich's Grammar SchoolMaster of Science - MS Data Science, Master of Science - MS Data Science at Harvard UniversityMaster of Engineering (MEng) Integrated Mechanical and Electrical Engineering, Master of Engineering (MEng) Integrated Mechanical and Electrical Engineering at University of Bath
English
Github Skills (33)
querying9
python8
pandas8
rshiny7
manipulation7
frame7
data-analysis7
data-structures7
dataframes6
duplication6
decomposition6
data-science6
uncertainty5
data-manipulation4
bayesian4
Programming languages (5)
Github contributions (5)
HaydenSansum/CS205-Waveforms
Apr 2020 - May 2020
Contributions:122 commits, 3 pushes in 1 month
fire-breathing-rubber-lemons/cs207-FinalProject
Oct 2019 - Dec 2019
Contributions:39 PRs, 55 pushes, 41 branches in 1 month
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