We are building artificial brains.
Rain was founded by a small group of passionate individuals outside of Silicon Valley who have brought together world class investors and industry leading technologists to achieve their goal of brain-scale artificial intelligence.

Our team.
We are a multidisciplinary team dedicated to solving the most important problems in artificial intelligence.
Our investors.
Our investors share our mission to build a brain and bring AI to every industry.
Our board members.
Our board brings decades of experience in the semiconductor and cloud computing industries.

Jackson Hu, PhD
Former CEO of SiRF Technology, former CEO and Chairman of UMC.

Mike Miller, PhD
General Partner at Liquid 2 Ventures, former founder of Cloudant.
Blog.
03.
A Gradient Estimator for Time-Varying Electrical Networks with Non-Linear Dissipation
Academic paper, 2021
09.
Research Proves End-to-End Analog Chips for AI Computation Possible
Third-party publication, 2020
10.
Rain Named to the EETimes Silicon 100: Emerging Startups to Watch
Third-party publication, 2020
11.
Training End-to-End Analog Neural Networks with Equilibrium Propagation
Academic paper, 2020
17.
Building smarter, scalable hardware for artificial intelligence.
Academic paper, 2018