# Walden Robotics: robotics company

Canonical ID: `e3ddf7d3-eb37-42dd-9532-14381cc95809`

## Key facts

- **CEO:** Dr. Russ Tedrake — MIT professor, former SVP of Large Behavior Models at Toyota Research Institute
- **Valuation:** $1.1 billion (post-money, July 2026)
- **Business model:** Robots-as-a-Service (RaaS)
- **Robot form factor:** Humanoid upper body with wheeled base (wheels for safety certification, not legs)
- **Origin:** Spun out of Toyota Research Institute in January 2026
- **Financial stage:** Early (seed-stage, $300M raised, revenue-generating via RaaS deployments)
- **Core technology:** Large Behavior Models (LBMs), Diffusion Policy, Universal Manipulation Interface (UMI), OpenVLA, Drake simulator
- **Head of Hardware:** Andy Marchese — former Amazon Robotics (10+ years)
- **Head of Software:** Joe Romano — former Berkshire Grey and Kiva Systems
- **Chief Product Officer:** Dave Johnson — former Draper Labs and Dexai Robotics (acquired by Sony)
- **Hero image candidate:** https://images.prismic.io/walden-robotics/ZHA36mmZp735H6HN_walden_homepage_hero_final2.png (source: official press kit)

- **Slug:** walden-robotics
- **Status:** private
- **Founded:** 2026
- **HQ:** Cambridge, Massachusetts, USA

## Models

- [Walden Robot](/models/walden-robot.md) (humanoid) (id: `5b80adbe-da16-4352-8296-6fb92ab5998b`)

## Current leadership (4)

- [Russ Tedrake](/people/russ-tedrake.md) Co-Founder & CEO (SEC-verified)
- [Andy Marchese](/people/andy-marchese.md) Founding Head of Hardware (SEC-verified)
- [Joe Romano](/people/joe-romano.md) Head of Software (SEC-verified)
- [Dave Johnson](/people/dave-johnson-walden.md) Chief Product Officer (SEC-verified)

## Founders (8)

- [Russ Tedrake](/people/russ-tedrake.md) _no longer at company_
- [Andy Marchese](/people/andy-marchese.md) _no longer at company_
- [Joe Romano](/people/joe-romano.md) _no longer at company_
- [Dave Johnson](/people/dave-johnson-walden.md) _no longer at company_
- [Russ Tedrake](/people/russ-tedrake.md) _no longer at company_
- [Andy Marchese](/people/andy-marchese.md) _no longer at company_
- [Joe Romano](/people/joe-romano.md) _no longer at company_
- [Dave Johnson](/people/dave-johnson-walden.md) _no longer at company_

## Partnerships (2)

- [NVIDIA x Walden Robotics](/partnerships/nvidia-x-walden-robotics.md) with NVIDIA _investment_
- [Toyota x Walden Robotics](/partnerships/toyota-x-walden-robotics.md) with Toyota Motor Corporation _deployment_

## Supplies to

_No verified supply relationships on file. Supply-chain coverage is being added across the registry; check back as the seed populates this company's outbound edges._

_Outbound supply edges. Each appears when verified with at least two strong sources. Sources are append-only; corrections add new sources rather than rewrite history._

## Common questions

### What is Walden Robotics?

Walden Robotics is a full-stack Physical AI company building and deploying general-purpose robots that continuously learn and improve while performing real work. Founded in January 2026 as a spin-out from the Toyota Research Institute, the company combines Large Behavior Models (LBMs) with a humanoid-torso, wheeled-base robot to perform dexterous manipulation tasks in manufacturing and logistics. Its robots have been in production at a [Toyota](/companies/toyota) plant in North America since February 2026, with strategic partners across automotive, aerospace, semiconductors, and life sciences.

### What does Walden Robotics make?

Walden Robotics has 1 robot model on the DEPLOY registry: Walden Robot (Walden Robotics builds both physical robots and the AI that runs them).

### Is Walden Robotics publicly traded?

Walden Robotics is not independently listed on public markets; it is part of Sony on the DEPLOY registry.

### How can I invest in Walden Robotics?

Walden Robotics has no separately traded stock; it is owned by Sony (the parent is the entity that trades, where it is public).

### Where is Walden Robotics headquartered?

Walden Robotics is headquartered in Cambridge, Massachusetts, USA.

### Who owns Walden Robotics?

Walden Robotics is owned by Sony, per the DEPLOY registry.

### Where does Walden Robotics operate robots?

Walden Robotics is a robot manufacturer and does not directly operate deployments on the DEPLOY registry. Its products are deployed by customer operators; see the company page for the verified deployment record.


## Sources (5)

1. https://www.businesswire.com/news/home/20260715089377/en/
2. https://www.therobotreport.com/walden-robotics-launches-1-1b-valuation-general-purpose-robots/
3. https://sg.finance.yahoo.com/news/walden-robotics-launches-300-million-100000118.html
4. https://www.waldenrobotics.com/news/walden-robotics-launches-from-stealth
5. https://www.bloomberg.com/news/articles/2026-07-15/toyota-backed-robotics-startup-walden-launches-with-1-1-billion-valuation

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