joan.so

Hi, I'm Joan.

I'm currently helping research labs on infra, long horizon, data, and RL.

Projects

Research

SWE-Marathon

[coming soon]

Benchmarking models on ultra long horizon work. Abundant.

GitHub

Reward Hacking

Taxonomy of Reward Hacking under high complexity benchmarking. Abundant.

GitHub Blog

Terminal-Bench 3

[coming soon]

Helping contributors getting tasks to the highest quality.

GitHub

TRACE

Trajectory Recording and Capture of Environments.

GitHub Paper

RL Scaling Laws

RL scaling on mathematical reasoning.

GitHub

Open Source

Occasional contributor

  • Tinker Cookbook - post-training recipes and abstractions for Tinker.
  • Harbor - Framework for agent evals and RL environments.

Building

Co-founded:

Worked at:

  • g.host - software engineer, blockchain stuff, 08/22-01/23.
  • conchalabs - founding engineer, kinda CTO, 06/20-08/22.
  • robot.com - software engineer, bit of robotics, 07/19-01/21.

Investing

I angel invest and invest via 3 different funds: a16z (scout), base10, and capitalize (YC-only). Mostly AI infra.

AI Infra

qlabs.sh - generalization research lab; daytona - agent sandboxes; stellon-labs - small speech models; trajectory - continual learning; bryel - lab automating harness engineering; cactus - on-device inference; lilac-ml - idle GPU market; piris labs - optical interconnect inference; polymath - RL environments; ishiki labs - teaching models proactivity; moss.dev - sub-10ms retrieval; squid - data center grid planning.

Robotics

pave robotics - robotic crack sealing; vernerobotics - new skills in 30 samples; cortex - egocentric data collection; lightberry - human-robot interaction; hlabs - robotics in America; efference - depth-first cameras; origami robotics - manipulate-anything robots; human archive - human data collection; onerobot - world models for robotics; robodock - autonomous depots; voltair - autonomous EO drones; milliray - 20cm UAV detection.

Moonshots

phaselabs.bio - regenerating limbs; uncommon therapeutics - Rett Syndrome; inversion semiconductor - Moore's law; icarus - stratosphere airplanes; beyond reach labs - space infrastructure; terranox.ai - uranium discovery; kyten technologies - US battery packs.

AI For Science

blankbio - mRNA foundation models; strand ai - oncology foundation models.

Apps

dscribe - bulk inventory tracking; motives - consumer focus research; catchback cards - Pokemon cards.

and more ...

Reach Out

Email X LinkedIn GitHub

More

Important Problems What are the important problems in our field? The Art of Doing Science and Engineering Notes from Richard Hamming's book.