Aaron Yan is a data scientist and engineering leader with 12 years of experience who currently leads Decision Science at Automattic, building experimentation platforms that process 100M+ rows daily and power product strategy. He blends operations research rigor (MS, UT Austin) with full-stack chops—engineering ETLs, REST APIs, and front-end UIs—and has contributed to major open-source WordPress projects like Jetpack and wp-calypso. Aaron pairs experimentation and visualization design to make data accessible to product leaders, and has shipped cost-saving optimization (55% cloud savings) and game-changing analytics (e.g., Dota2 win-rate improvements). Self-taught in web design and illustration, he also focuses on developer experience in UI components, improving demos and usability in Vue and React libraries.
12 years of coding experience
4 years of employment as a software developer
Bachelor of Science (BS), Mechanical Engineering, Bachelor of Science (BS), Mechanical Engineering at University of Southern California
Master of Science (MS), Operations Research, Master of Science (MS), Operations Research at The University of Texas at Austin
Contributions:27 commits, 20 pushes, 3 branches in 5 days
Contributions summary:Aaron primarily contributed to the UI of the Vue.js component library. Their work involved adding links to the source code within the demo application, facilitating easier navigation and understanding of the underlying code. They also refactored class names and updated the demo application. These changes suggest a focus on improving the usability and developer experience of the project.
Contributions:481 reviews, 155 commits, 542 PRs in 2 years 9 months
Contributions summary:Aaron primarily contributed to the development and refinement of user interface (UI) components and the overall user experience within the `wp-calypso` repository. Their work involved implementing new routes, features such as the page selector, and fixing related issues, which included tabbing and visual styling. Furthermore, the user demonstrated expertise in React and related UI libraries like Reakit and React-Spring, as well as in managing state with Redux and integrating with WordPress.com APIs.
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Aaron Yan - Lead Of Decision Science at Automattic