# Optain funding: rounds and investors

> Optain has raised $26M across 1 round since 2025. Investors include Insight Partners. Every round with its source.

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

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

# Who invested in *Optain*

One round we have observed, with the one investor 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

Funding summary Updated 26 Oct 2026

**$26M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series A, $26M Sept 2025
- **Investors:** 1

See who backed them

## The rounds

- **Sept 2025** Series A **$26M** [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) Source recorded

## Founders and team

From Optain's own website: 11 on the team.

- **Jeff Dunkel** Chief Executive Officer
- **Dr. Zachary Tan** President, Optain Health
- **Rainer Grote** SV President, International Business Development
- **Wei Meng** Chief Technology Officer
- **Charles Sweitzer** VP of Product
- **Nathan Young** VP Customer Success & Strategic Engagement
- **Alejandra Maciel** Director of Clinical Affairs
- **Alex Crich** Director of Strategy and Operations
- **Babak Asgari** Director of Business Development
- **Emilia Gonzalez** Director of QA/RA
- **Tim Zoch** Director Global Operations

Advisers *Jason Sun* *Zongyuan Ge PhD*

## Everyone who backed them

[Insight Partners](https://millionrounds.com/fund/insight-venture-partners) VC firm **1** round

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

## Quick answers about Optain

### Who invested in Optain?

Optain's investors include Insight Partners.

### How much has Optain raised?

Optain has raised $26M across 1 round since 2025.

### When did Optain last raise?

Optain's most recent round was a Series A of $26M in Sept 2025.

### What was Optain's biggest round?

Its most recent round, $26M in Sept 2025, is also its largest on record.

### Who backed Optain first?

Optain's first round on record, in Sept 2025, was backed by Insight Partners.

### What stage is Optain at?

Optain's latest named round is a Series A, in Sept 2025.

### Where is Optain based?

Optain is based in the United States.

## Companies like Optain

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

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