United States · 
Who invested in Quantum Diamond Technologies?
Quantum Diamond Technologies's investors include National Science Foundation and MassVentures.
202120222023
$500KGrant?Venture
United States · Venture startup
Who invested in Quantum Diamond Technologies
Funding summaryUpdated 26 Oct 2026
$500Kraised across 2 rounds since 2020, from 2 sources
- Latest round
- VentureFeb 2023
- Biggest round
- $500KGrant · Jun 2020
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Grant, $500K Jun 2020
- Biggest round
- $500K Grant · Jun 2020
- Between rounds
- 2.7 years from the last two
The rounds
- Feb 2023
- Jun 2020
Founders and team
From Quantum Diamond Technologies's own website: 1 founder, 4 on the team.
Colin ConnollyCEO, CTO, QDTI Co-founder
- Jeff KrogmeierCOO, Engineering
- Anatoly KonukhovDirector, Business Development
- Jason ClevelandBoard Chairman
- Matthias WinterBoard Member
AdvisersDavid HanlonHongkun ParkMikhail LukinPeter MaurerRonald Walsworth
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
Missing a round, or an investor who was in one? Tell us.
Quick answers about Quantum Diamond Technologies
How much has Quantum Diamond Technologies raised?
Quantum Diamond Technologies has raised $500K across 2 rounds since 2020. One round did not disclose an amount, so the total is a floor.
When did Quantum Diamond Technologies last raise?
Quantum Diamond Technologies's most recent round was a Venture in Feb 2023.
What was Quantum Diamond Technologies's biggest round?
Quantum Diamond Technologies's largest round on record is $500K (Grant), in Jun 2020.
Who backed Quantum Diamond Technologies first?
Quantum Diamond Technologies's first round on record, in Jun 2020, was backed by National Science Foundation and MassVentures.
What stage is Quantum Diamond Technologies at?
Quantum Diamond Technologies's latest named round is a Venture, in Feb 2023.
Where is Quantum Diamond Technologies based?
Quantum Diamond Technologies is based in the United States.
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