Joel Marcey


Open Source Developer Advocate



Open source

Admin since July 2018

16 contributors

Create React App

Open source

Admin since May 2019

10 contributors


Open source

Admin since February 2020


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I am a developer advocate on Facebook’s open source team. While I work to maintain and grow the overall open source program, I particularly love helping launch quality open source projects and growing a community.

I am a primary maintainer of Docusaurus, a project that helps open source project owners easily create open source websites and content.

Prior to my time in developer advocacy, I also had roles in software engineering, technology standardization and technical writing. My professional experience is summarized at my website.