Hi! I’m Cassidy, and I like to make memes and dreams and software.
I’m the Senior Director of Developer Advocacy at GitHub! Outside of that fancy title, I’m a startup advisor and investor, open source-er, and meme-maker on the internet. I enjoy building mechanical keyboards, playing music, hanging out with my family and friends, and teaching in my free time.
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Here's my most recent posts or read a random one!
- Improving my newsletter's open rate the hard(er) way
Turns out just asking for help gets you help? Who knew? Here's how I increased my newsletter open rate. - Making interesting borders with CSS corner-shape
You can make cool beveled, rounded, notched, scooped, and elliptical borders with the new CSS corner-shape property! - Remaking the Linux "touch" command in PowerShell
Context switching between terminals can be a mental lift, and this function to add touch to PowerShell has helped me a bunch! - A fun trick for getting discovered by LLMs and AI tools
After learning that people were finding my content via LLMs, I tried using said LLMs to make them find me even more often! - Code Wave Build Log
I made a game called Code Wave for the GitHub Game Off 2025, here's how I did it!
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