Junrui Di
Director, Data Science & Digital Health, Neuroscience
Washington DC-Baltimore Area United States
Summary
👤
Senior🎓
Top SchoolJunrui Di is a director-level data scientist specializing in the design and statistical analysis of high-dimensional, high-frequency wearable and mobile sensor data for neuroscience and digital health. With a PhD in Biostatistics and a decade of experience across industry and academia, he builds novel feature engineering, dimension-reduction, and multi-view integration methods that turn noisy time-series into validated, patient-centric endpoints used in clinical trials and regulatory submissions. He has led end-to-end pipelines and automated analytics at companies like Dexcom and Pfizer, accelerating study timelines and translating device data into real-world evidence for diverse populations. Known for bridging rigorous methodology with operational execution, he also co-founded internal AI networks to scale best practices and foster cross-team collaboration. Based in the Washington DC–Baltimore area, he is committed to standardizing digital health pipelines so wearable-derived signals can reliably inform public health and clinical decision-making.
10 years of coding experience
12 years of employment as a software developer
Bachelor of Arts (B.A.) Applied Mathematics, Bachelor of Arts (B.A.) Applied Mathematics at University of California, BerkeleyMaster of Science (MS) Biostatistics, Master of Science (MS) Biostatistics at Georgetown UniversityDoctor of Philosophy (PhD) Biostatistics, Doctor of Philosophy (PhD) Biostatistics at Johns Hopkins Bloomberg School of Public Health
English, Chinese
Github Skills (9)
extraction6
feature-extraction5
fragmentation4
python4
statistics3
css3
statistical-learning3
data-science2
machine-learning2
Programming languages (3)
Github contributions (5)
junruidi/actcoolshiny
Dec 2016 - Aug 2018
Contributions:8 pushes, 1 branch in 1 year 8 months
junruidi/actigraphy
Feb 2018 - Feb 2018
Feature extraction from minute level actigraphy data
Contributions:2 commits, 79 pushes, 1 branch in 1 day
extractionpythonactigraphyfeature-extractionminute
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