Welcome to john sillings dot com 👋

ðŸĐ (2025-)

I'm building Manifolds...
but I haven't announced it yet. Shhh!

ðŸŒą (2022-2025)

I led growth at Invert (biotech), Checksum (devtools), and super{set} (startup studio).

ðŸ‘Ļ‍ðŸ’ŧ (2017-2022)

I cofounded Mini Exhibitions (virtual events, ðŸŠĶ) and Art in Res (art marketplace, sold).

📈 (2011-2018)

I worked in equity research. I did a lot of reading, built financial models, and interviewed management teams.

📚 (2009-2011)

I worked on a couple books with my friend and mentor, Mitchell Stephens.

If you'd like, you can check out some stuff I wrote here.