Alexander Rubinsteyn is a research scientist and entrepreneur with 15 years of experience at the intersection of machine learning, cancer genomics, and computational immunology. As co-founder and scientific advisor at Pathfinder Oncology and co-PI/assistant professor who co-started the Personalized Immunotherapy Research Lab at UNC, he focuses on translating ML-driven genomics into cancer vaccines and clinical trials. He holds a PhD and MS in Computer Science from NYU and a BA in Neuroscience, combining strong computational foundations with biological insight. An active contributor to open-source tools for matrix completion (notably work on fancyimpute), he brings practical algorithmic experience alongside translational research. Known for bridging deep technical work with clinical impact, he prefers hands-on development that moves ideas toward trials and real-world therapies.
15 years of coding experience
Doctor of Philosophy - PhD, Computer Science, Doctor of Philosophy - PhD, Computer Science at New York University
Multivariate imputation and matrix completion algorithms implemented in Python
Role in this project:
Data Scientist
Contributions:4 releases, 129 commits, 9 PRs in 3 years 11 months
Contributions summary:Alexander implemented matrix completion algorithms using Python, specifically focusing on nuclear norm minimization techniques. Their contributions included an initial implementation of matrix completion using cvxpy, followed by the addition of unit tests to validate the algorithm. They also refactored the code and renamed components like `ConvexSolver` for better organization. Further development included adding data generation and running performance tests for the algorithms on low-rank matrices.
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Alexander Rubinsteyn - Co-Founder Scientific Advisor at University of North Carolina at Chapel Hill