About Will Sims
Building safe AI at Meta Superintelligence Labs and co-founder of Arc AI. Obsessed with improving health through movement.
I previously led product and engineering teams at Amazon Game Studios and Twitch Prime.
The Compounding Newsletter
How I run AI coding agents in parallel to ship faster
Learn the workflow I use to build Arc AI, an app with 20K+ downloads. It makes git worktrees simple and lets me code more features at once.
February 15, 2026 · Less than 9 min read
873 code contributions in the past year
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The Compounding Newsletter
Notes on using AI to build a great life. Sent when I have something worth sharing.
P.S. I also share my thoughts on X.Follow @willsims