United States · Venture startup

Who invested in Queens Carbon

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

B2B

Raised 12 months ago

Funding summaryUpdated 26 Oct 2026

$10Mraised across 2 rounds since 2025, from 2 sources

Latest round
VentureNov 2025
Biggest round
$10MSeed · Apr 2025
Investors
3
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026
$10MSeed?Venture
First round
Seed, $10M
Apr 2025
Biggest round
$10M
Seed · Apr 2025
Between rounds
7 months
from the last two

The rounds

  1. Nov 2025
    VentureAmount undisclosed3 returning

    Source recorded

  2. Apr 2025

Founders and team

From Queens Carbon's own website: 10 on the team.

  • Daniel KoppCEO, Cofounder
  • Abigail JablanskyTechnical Chief of Staff
  • Amrit KhalsaVP of Finance & Business Operations
  • Bahram JadidianVP of R&D
  • Sean QuinnHead of Product Development
  • David GersholowitzCBO, Cofounder
  • Jason BronkemaDirector of Engineering
  • Jorge MoraSenior Process & Control Engineer
  • Sandy PynnOffice Manager
  • Xinglei LiuSenior R&D Scientist

AdvisersRichard Riman

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

Plug and PlayAccelerator2rounds
US Department of EnergyGovernment2rounds
Clean Energy VenturesVC firm2rounds

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Queens Carbon as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Clean Energy VentureAngel networkPer its own site

Quick answers about Queens Carbon

Who invested in Queens Carbon?

Queens Carbon's investors include Plug and Play, US Department of Energy and Clean Energy Ventures.

How much has Queens Carbon raised?

Queens Carbon has raised $10M across 2 rounds since 2025. One round did not disclose an amount, so the total is a floor.

When did Queens Carbon last raise?

Queens Carbon's most recent round was a Venture in Nov 2025.

What was Queens Carbon's biggest round?

Queens Carbon's largest round on record is $10M (Seed), in Apr 2025.

Who backed Queens Carbon first?

Queens Carbon's first round on record, in Apr 2025, was backed by Plug and Play, US Department of Energy and Clean Energy Ventures.

What stage is Queens Carbon at?

Queens Carbon's latest named round is a Venture, in Nov 2025.

Where is Queens Carbon based?

Queens Carbon is based in the United States.

Companies like Queens Carbon

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

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