# Mantel funding: rounds and investors

> Mantel has raised $30M across 1 round since 2024. Investors include Alumni Ventures, MCJ and Engine Ventures. Every round with its source.

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

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

# Who invested in *Mantel*

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.

Climate Tech

Funding summary Updated 26 Oct 2026

**$30M** raised across 1 round since 2024, from 1 source

- **Latest round:** Series A, $30M Sept 2024
- **Investors:** 3

See who backed them

## The rounds

- **Sept 2024** Series A **$30M** [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [MCJ](https://millionrounds.com/fund/mcj) [Engine Ventures](https://millionrounds.com/fund/engine-ventures) Source recorded

## Founders and team

From Mantel's own website: 3 founders, 8 on the team.

**Cameron Halliday** Co-founder & CEO

**Danielle Rapson** Co-founder & COO

**Sean Robertson** Co-founder & CTO

- **Andrea Redford** Chief Licensing Officer
- **Brock Forrest** Chief Product Officer
- **Isaac Kichak** VP of Engineering
- **Dan Leff** Board Member
- **Hector MacQuarrie** Board Member
- **Micheal Kearney** Board Member
- **Robin Moolddjik** Board Member
- **Sweng Ow** Board Member

Advisers *Kerri Fox* *Lisa Wood* *Supported By*

## Everyone who backed them

[Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round

[MCJ](https://millionrounds.com/fund/mcj) VC firm **1** round

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

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

## Quick answers about Mantel

### Who invested in Mantel?

Mantel's investors include Alumni Ventures, MCJ and Engine Ventures.

### How much has Mantel raised?

Mantel has raised $30M across 1 round since 2024.

### When did Mantel last raise?

Mantel's most recent round was a Series A of $30M in Sept 2024.

### What was Mantel's biggest round?

Its most recent round, $30M in Sept 2024, is also its largest on record.

### Who backed Mantel first?

Mantel's first round on record, in Sept 2024, was backed by Alumni Ventures, MCJ and Engine Ventures.

### What stage is Mantel at?

Mantel's latest named round is a Series A, in Sept 2024.

### Where is Mantel based?

Mantel is based in the United States.

## Companies like Mantel

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Kodama** $7.0M · Oct 2026](https://millionrounds.com/company/kodama)[**Stand** $105M · Oct 2026](https://millionrounds.com/company/stand)

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