# Solo angels backing Climate Tech (2026 list)

> 20 solo angels backing Climate Tech, 35% active in the last 12 months. Led by Sahin Boydas, Lachy Groom, Vinod Khosla. Ranked by what they funded.

Source: https://millionrounds.com/lists/solo-angels-climate (Millionrounds; every figure on the page links to its filing or article)

[Investor Lists](https://millionrounds.com/lists)

# Solo angels backing Climate Tech

Updated 7 November 2026

Solo angels we have observed in a climate Tech round in the last two years.

[See all 20 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fsolo-angels-climate)The top 20

**20** investors on the list *-6* this week

**36** cheques in 12 months *-3%* against the market

**$2.3M** median round they joined *-71%* against the market median

**35%** wrote a cheque in 12 months

**5%** have led a round

## The Top 20

Ordered by cheques observed, never by anything anyone paid for

Deploying now (7)

- 1 [Sahin Boydas](https://millionrounds.com/fund/sahin-boydas) *Deploying now* Angel **53** **$2.4M** median round **Sept 2026** last seen
- 2 [Lachy Groom](https://millionrounds.com/fund/lachy-groom) *Deploying now* Angel · United States **37** **$12M** median round **Oct 2026** last seen
- 3 [Vinod Khosla](https://millionrounds.com/fund/vinod-khosla) *Deploying now* Angel **12** **$20M** median round **Oct 2026** last seen
- 4 [Didier Valet](https://millionrounds.com/fund/didier-valet) quiet Angel · France **2** **$4.3M** median round **Apr 2025** last seen
- 5 [John Wood](https://millionrounds.com/fund/john-wood) quiet Angel **2** **$553K** median round **Jun 2025** last seen
- 6 [Steven Bartlett](https://millionrounds.com/fund/steven-bartlett) quiet Angel **2** **$1.8M** median round **Oct 2025** last seen
- 7 [Anna Raptis](https://millionrounds.com/fund/anna-raptis) quiet Angel **2** **$655K** median round **May 2025** last seen
- 8 [Jonathan Smith](https://millionrounds.com/fund/jonathan-smith) quiet Angel **2** **$1M** median round **Jan 2025** last seen
- 9 [Sake Bosch](https://millionrounds.com/fund/sake-bosch) *Deploying now* Angel **2** **$12M** median round **Oct 2026** last seen
- 10 [Armando Mann](https://millionrounds.com/fund/armando-mann) quiet Angel **1** **$2.3M** median round **Apr 2025** last seen
- 11 [Christiaan Jordaan](https://millionrounds.com/fund/christiaan-jordaan) quiet Angel **1** **$553K** median round **Jun 2025** last seen
- 12 [George Roberts](https://millionrounds.com/fund/george-roberts) quiet Angel **1** **$58M** median round **Dec 2024** last seen
- 13 [Hans-Christian Lauer](https://millionrounds.com/fund/hans-christian-lauer) quiet Angel **1** **$655K** median round **May 2025** last seen
- 14 [John Thomson](https://millionrounds.com/fund/john-thomson) *Deploying now* Angel **1** **$5.9M** median round **Nov 2025** last seen
- 15 [Mark Hochgesang](https://millionrounds.com/fund/mark-hochgesang) *Deploying now* Angel **1** **$2M** median round **Jul 2026** last seen
- 16 [Pjotr van Schothorst](https://millionrounds.com/fund/pjotr-van-schothorst) quiet Angel **1** **$2.8M** median round **Mar 2025** last seen
- 17 [Reza Behnam](https://millionrounds.com/fund/reza-behnam) quiet Angel **1** **$553K** median round **Jun 2025** last seen
- 18 [Sebastian Becker](https://millionrounds.com/fund/sebastian-becker) *Deploying now* Angel **1** **$10M** median round **Sept 2026** last seen
- 19 [Steven Vassiloudis](https://millionrounds.com/fund/steven-vassiloudis) quiet Angel **1** **$553K** median round **Jun 2025** last seen
- 20 [Tom Bernthal](https://millionrounds.com/fund/tom-bernthal) quiet Angel **1** **$58M** median round **Dec 2024** last seen

## The Newest Cheques

Rounds this list's investors joined most recently

- **24** Oct **[LanzaJet](https://millionrounds.com/company/lanzajet)** Other · $20M *With* [Vinod Khosla](https://millionrounds.com/fund/vinod-khosla)
- **21** Oct **[YGO](https://millionrounds.com/company/ygo)** Series A · $9M *With* [Sake Bosch](https://millionrounds.com/fund/sake-bosch)
- **9** Oct **[Meticulous](https://millionrounds.com/company/meticulous)** Series A · $15M *With* [Lachy Groom](https://millionrounds.com/fund/lachy-groom)
- **17** Sept **[Cura](https://millionrounds.com/company/cura)** $10M *With* [Sebastian Becker](https://millionrounds.com/fund/sebastian-becker)
- **1** Sept **[Volantis](https://millionrounds.com/company/volantis)** Venture *With* [Sahin Boydas](https://millionrounds.com/fund/sahin-boydas)
- **25** Aug **[Airbound](https://millionrounds.com/company/airbound)** Series A · $37M *With* [Lachy Groom](https://millionrounds.com/fund/lachy-groom)

## Stages This Year

36 rounds

- Venture **39%**
- Series A **22%**
- Pre-seed **11%**
- Series B **8%**
- Seed **6%**
- Other **14%**

## What They Backed

Sectors, last 12 months

- AI **13**
- Climate Tech **4**
- Software **4**
- Healthcare **4**
- Cleantech **3**
- Fintech **3**

## Cheques by Quarter

Led Joined

5 Q1 25

15 Q2 25

7 Q3 25

11 Q4 25

17 Q1 26

5 Q2 26

8 Q3 26

3 Q4 26

The last bar is the quarter still running.

## Lists Like This

- [VC firms backing AI 4,329](https://millionrounds.com/lists/vc-firms-ai)
- [VC firms backing Fintech 1,856](https://millionrounds.com/lists/vc-firms-fintech)
- [VC firms backing Big Data & Analytics 1,248](https://millionrounds.com/lists/vc-firms-big-data)
- [VC firms backing Biotech 1,207](https://millionrounds.com/lists/vc-firms-biotech)
- [VC firms backing Robotics 1,098](https://millionrounds.com/lists/vc-firms-robotics)
- [VC firms backing Construction 1,025](https://millionrounds.com/lists/vc-firms-construction)
- [VC firms backing Energy 998](https://millionrounds.com/lists/vc-firms-energy)
- [PE firms backing AI 956](https://millionrounds.com/lists/pe-firms-ai)
- [VC firms backing Cybersecurity 950](https://millionrounds.com/lists/vc-firms-cybersecurity)

[All investor lists *→*](https://millionrounds.com/lists)

## Reading for founders in climate and energy

- Taming the Sun: Innovations to Harness Solar Energy and Power the Planet Varun Sivaram · 2018 4.06 from 510 ratings on Goodreads Climate and energy Innovation About the book How solar could spark a clean-energy transition through transformative innovation--creative financing, revolutionary technologies, and flexible energy systems. Solar energy, once a niche application for a limited market, has become the cheapest and fastest-growing power… On AmazonListen on Audible
- Race for Tomorrow: Survival, Innovation and Profit on the Front Lines of the Climate Crisis Simon Mundy · 2022 4.22 from 207 ratings on Goodreads Climate and energy Innovation Company building About the book In this extraordinary journey through twenty-six countries, Simon Mundy meets the people on the front lines of the climate crisis, showing how the struggle to respond is already reshaping the modern world – shattering communities, shaking up global business, and propelling a… On AmazonListen on Audible
- The Elements of Power: Gadgets, Guns, and the Struggle for a Sustainable Future in the Rare Metal Age David S. Abraham · 2015 4.06 from 264 ratings on Goodreads Climate and energy Company building About the book Our future hinges on a set of rare metals that few of us have even heard of. In this eye-opening book, a natural resource strategist reveals the critical importance of these transformative elements to our technological lifestyle and the consequences of our reliance upon them,… On AmazonListen on Audible
- Scale: The Universal Laws of Growth, Innovation, Sustainability, and the Pace of Life in Organisms, Cities, Economies, and Companies Geoffrey B. West · 2017 4.11 from 5,764 ratings on Goodreads Climate and energy Company building Innovation About the book The former head of the Sante Fe Institute, visionary physicist Geoffrey West is a pioneer in the field of complexity science, the science of emergent systems and networks. The term “complexity” can be misleading, however, because what makes West’s discoveries so beautiful is… On AmazonListen on Audible

More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&industry=climate).

As an Amazon Associate we earn from qualifying purchases.

## Quick answers about solo angels backing Climate Tech

### Who are the most active solo angels backing Climate Tech?

By cheques observed, the most active are Sahin Boydas, Lachy Groom, Vinod Khosla, Didier Valet and John Wood.

### How many solo angels backing Climate Tech are there?

20 are on record. 35% made an investment in the last 12 months and 5% have led a round.

### Which stages do solo angels backing Climate Tech back?

Of the rounds with a named stage in the last 12 months, mostly Series A (40%) and Pre-seed (20%).

### How big are the rounds solo angels backing Climate Tech join?

The typical (median) round among the leading investors here is $2.4M.

### Which sectors do solo angels backing Climate Tech back most?

In the last 12 months, mostly AI, Climate Tech and Software.

### Where are solo angels backing Climate Tech based?

Among the most active, most are based in the United States (1) and France (1).

### What have solo angels backing Climate Tech invested in recently?

Recent rounds include LanzaJet (Other, Oct 2026, with Vinod Khosla), YGO (Series A, Oct 2026, with Sake Bosch) and Meticulous (Series A, Oct 2026, with Lachy Groom).

### How is this list of solo angels backing Climate Tech ranked?

By cheques observed, from the rounds and filings we watched, and never by anything anyone paid for. It is rebuilt every night.

Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)
