Leon Chen
Co-founder And CEO at MD.ai
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolLeon Chen is a physician-turned-founder and CEO with 11 years of software and ML engineering experience, leading MD.ai from Seattle to bridge medical expertise and developer-first tooling. He combines rigorous academic training in engineering and medicine (UW, MIT, Harvard Med) with hands-on full-stack contributions—ranging from front-end React refactors in the popular react-color library to browser-based Keras model demos and ResNet visualization work. Comfortable shipping production code and steering product strategy, Leon brings a rare blend of clinical insight, systems thinking, and developer empathy to healthcare AI. Outside the office he composes electronic music, a creative outlet that feeds his iterative approach to design and problem solving.
11 years of coding experience
Bachelor’s Degree, Electrical and Electronics Engineering, Bachelor’s Degree, Electrical and Electronics Engineering at University of WashingtonNuclear Science and Engineering, Nuclear Science and Engineering at Massachusetts Institute of TechnologyDoctor of Medicine (M.D.), Medicine, Doctor of Medicine (M.D.), Medicine at Harvard Medical School
Github Skills (14)
javascript10
react-components10
tensorflow10
front-end-development10
react10
react-component10
chrome9
relu9
mask-rcnn9
color-picker9
faster-rcnn9
webgl8
photoshop8
sketch8
Programming languages (10)
Github contributions (5)
transcranial/keras-js
Aug 2016 - Aug 2018
Run Keras models in the browser, with GPU support using WebGL
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:4 releases, 607 commits, 16 PRs in 2 years
Contributions summary:Leon's primary contribution appears to be updating the example ResNet50 demo by utilizing async/await instead of generators and incorporating changes related to the ResNet50 architecture diagram. The contributions also demonstrate front-end development, including implementation and refactoring for the visualization of the CNN architecture. The user fixed the batch normalization layer for axis normalization.
browserkeras-modelswebgldeep-learninggpu
casesandberg/react-color
Aug 2016 - Aug 2016
:art: Color Pickers from Sketch, Photoshop, Chrome, Github, Twitter & more
Role in this project:Front-end Developer
Front-end DeveloperContributions:6 commits, 1 PR, 1 comment in 1 day
Contributions summary:Leon primarily focused on updating and refactoring React components within the `react-color` library. They made significant changes to numerous component files, including those related to color pickers like Chrome, Photoshop, and Sketch. Their work involved migrating from deprecated ReactCSS.Component, refactoring to use the reactcss v1 API, and general component structure.
react-componentreactartchromephotoshop
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