# Sooth Labs funding: rounds and investors

> Sooth Labs has raised $50M across 1 round since 2026. Investors include Felicis and Jeff Dean. Every round with its source.

Source: https://millionrounds.com/company/sooth-labs (Millionrounds; every figure on the page links to its filing or article)

United States · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Sooth Labs*

One round we have observed, with the 2 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI

Raised 7 months ago

Funding summary Updated 26 Oct 2026

**$50M** raised across 1 round since 2026, from 1 source

- **Latest round:** Seed, $50M Apr 2026
- **Investors:** 2

See who backed them

## The rounds

- **Apr 2026** Seed **$50M** [Felicis](https://millionrounds.com/fund/felicis-ventures) [Jeff Dean](https://millionrounds.com/fund/jeff-dean) Source recorded

## Founders and team

From Sooth Labs's own website: 1 founder, 4 on the team.

**Shih-En Wei** Founding Research Scientist

- **Yaser Sheikh** Chief Executive Officer
- **Chuck Hoover** Chief Product Officer
- **Russ Salakhutdinov** Chief Scientific Officer
- **David LaRose** VP of Engineering

## Everyone who backed them

[Felicis](https://millionrounds.com/fund/felicis-ventures) VC firm **1** round

[Jeff Dean](https://millionrounds.com/fund/jeff-dean) Angel **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sooth-labs).

## Quick answers about Sooth Labs

### Who invested in Sooth Labs?

Sooth Labs's investors include Felicis and Jeff Dean.

### How much has Sooth Labs raised?

Sooth Labs has raised $50M across 1 round since 2026.

### When did Sooth Labs last raise?

Sooth Labs's most recent round was a Seed of $50M in Apr 2026.

### What was Sooth Labs's biggest round?

Its most recent round, $50M in Apr 2026, is also its largest on record.

### Who backed Sooth Labs first?

Sooth Labs's first round on record, in Apr 2026, was backed by Felicis and Jeff Dean.

### What stage is Sooth Labs at?

Sooth Labs's latest named round is a Seed, in Apr 2026.

### Where is Sooth Labs based?

Sooth Labs is based in the United States.

## Companies like Sooth Labs

In the same sector, and raised in the last eighteen months.

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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