# Rejuvenation Technologies funding: rounds and investors

> Rejuvenation Technologies has raised $2.0M across 1 round since 2026. Investors include Y Combinator, Khosla Ventures and National Institutes of Health.

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

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

# Who invested in *Rejuvenation Technologies*

One round we have observed, with the 3 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.

Biotech

Raised 2 months ago Y Combinator: S18

Funding summary Updated 26 Oct 2026

**$2.0M** raised across 1 round since 2026, from 1 source

- **Latest round:** Venture, $2.0M Sept 2026
- **Investors:** 3

See who backed them

## The rounds

- **Sept 2026** Venture **$2.0M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) Source recorded

## Founders and team

From Rejuvenation Technologies's own website: 2 founders, 5 on the team.

**John Ramunas** Founder & CEO

**Glenn Markov** Founder & COO

- **Daniel Chambers** Chief Medical Officer (Part-time)
- **Amanda Skelton** Operations Manager
- **Bob Fishman** Director of Clinical Development
- **Mohammed Inayathullah** Senior Research Scientist
- **Robin Holbrook** Director of Finance & Administration

Advisers *Helen Blau*

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **1** round

[National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) Government **1** round

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

## Also claim to have backed them

These 2 firms list Rejuvenation Technologies as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[99 Startups](https://millionrounds.com/fund/99-startups) VC firm Per its own site

[Lifespan Vision Ventures](https://millionrounds.com/fund/lifespan-vision-ventures) VC firm Per its own site

## Quick answers about Rejuvenation Technologies

### Who invested in Rejuvenation Technologies?

Rejuvenation Technologies's investors include Y Combinator, Khosla Ventures and National Institutes of Health.

### How much has Rejuvenation Technologies raised?

Rejuvenation Technologies has raised $2.0M across 1 round since 2026.

### When did Rejuvenation Technologies last raise?

Rejuvenation Technologies's most recent round was a Venture of $2.0M in Sept 2026.

### What was Rejuvenation Technologies's biggest round?

Its most recent round, $2.0M in Sept 2026, is also its largest on record.

### Who backed Rejuvenation Technologies first?

Rejuvenation Technologies's first round on record, in Sept 2026, was backed by Y Combinator, Khosla Ventures and National Institutes of Health.

### What stage is Rejuvenation Technologies at?

Rejuvenation Technologies's latest named round is a Venture, in Sept 2026.

### Where is Rejuvenation Technologies based?

Rejuvenation Technologies is based in the United States.

## Companies like Rejuvenation Technologies

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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