Bret Nestor
Research Associate
Canada
Summary
👤
Senior🎓
Top SchoolBret Nestor is a research-focused computer scientist with a decade of experience developing robust, governable machine learning models for clinical time-series data. Holding a PhD from the University of Toronto and advanced training at UC Berkeley, he blends biomedical engineering and mechanical engineering roots with rigorous ML research developed during postdoctoral positions at Harvard and UBC and a PhD stint at the Vector Institute. His work centers on ensuring clinical models generalize across patient populations and sites, addressing distributional shifts to prevent misleading diagnoses in deployment. Beyond theory, Bret has practical lab and engineering experience—from microfluidics and biomimetic systems to biofilm fabrication—that gives him a rare, translational perspective on healthcare AI. He publishes actively on model reliability and governance, and brings a track record of bridging experimental biology and machine learning to create safer clinical tools.
10 years of coding experience
7 years of employment as a software developer
Master of Engineering (MEng) Bioengineering and Biomedical Engineering, Master of Engineering (MEng) Bioengineering and Biomedical Engineering at University of California, BerkeleyBachelor of Applied Science (BASc) Mechanical Engineering, Bachelor of Applied Science (BASc) Mechanical Engineering at The University of British ColumbiaDoctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at University of Toronto
English, French
Stackoverflow
31reputation
1kreached
1answer
0questions
Github Skills (59)
preprocessing10
data-extraction10
audio-analysis9
marine9
artificial-intelligence9
pytorch9
python9
machine-learning9
audio-processing9
ai9
deep-learning9
audio9
nlp8
natural-language-processing8
generative-ai8
Programming languages (6)
Github contributions (5)
MLforHealth/MIMIC_Extract
May 2019 - Oct 2021
MIMIC-Extract:A Data Extraction, Preprocessing, and Representation Pipeline for MIMIC-III
Contributions:1 review, 5 commits, 5 PRs in 2 years 5 months
data-extractionpreprocessing
bnestor/aifororcas-livesystem
Aug 2024 - Oct 2025
Real-time AI-assisted killer whale notification system (model and moderator portal) :star:
Contributions:4 PRs, 14 pushes, 5 branches in 1 year 1 month
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