Some things I've done

Co-founded Cavendish Labs, a research laboratory based in Vermont, addressing threats like strong AI and pandemics
Running Contramont Research, an AI safety lab, with Andis, Sumeet, and others
Implemented an SHA transformer by hand
Co-wrote a musical
Constructed unelicitable backdoors in language models
Thought a lot about reinforcement learning, quantum information, neuroscience, drug development, astronomy, and robotics
Co-founded Lex.ma with Derik
Run a gravity chess tournament
Made a U.S. Evolution Simulator

What I'm up to now

Current (live!) location: City of New York, New York

Cooking up interesting things at Promontory.

Last updated May 21, 2026

Andrew Gritsevskiy

CV • google scholar

Hi! I'm Andrew, a researcher who loves to learn about the world, make things, and go on adventures.

I'm always excited to meet new people, so if you want to go hiking together, do a puzzle hunt, play a duet, or sneak into an oceanography conference, send me an email at mass(like the physical quantity)@hey.com!

Other things I've written

Things I enjoy

Hiking, skiing, going on adventures
Participating in theatrical productions!
Puzzle hunts
Writing musicals
Making cheese
Talking to people about things I know nothing about
this and this

Fun links

(more links)