CleanTechies

CleanTechies

Welcome to the CleanTechies Podcast, the #1 Podcast for Climate Tech Entrepreneurs ----- Support the show more directly via our Substack where we also publish writing on the episodes we record. https://cleantechies.substack.com/subscribe ----- Interested in Advertising: info@cleantechiespod.com

Episodes

May 7, 2025 36 mins

Today’s episode features Felix Krause, founding partner of Vireo Ventures, one of Europe’s leading early-stage energy tech investors. Felix is based in Berlin and brings decades of experience across solar project development, corporate VC, and now independent fund management.

We dig deep into why electrification is the real unlock for climate, and why Felix and his team believe the software that manages energy flows—not new forms of...

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Listen on: Apple Podcasts | Spotify | YouTube | Pocket Casts

In This Episode:* What is a Solid State Transformer * How Solid State Transformers are Reshaping the Energy Industry* How They Built a $1bn Pipeline

Sponsors:

Goodwin: The Law Firm of Choice for ClimateTech Entrepreneurs

ErthTech Talent: Affordable CleanTech Search Firm

What’s up, everyone!

Today, we have a great episode with Haroon Inam & Michael Wood III from DG Matrix. W...

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Check Out Our Sponsors!
* Goodwin: The Law Firm of Choice for ClimateTech Entrepreneurs
*
ErthTech Talent: Affordable CleanTech Search Firm

What’s up, everyone! 

Today, we have a great episode with Danny Lu from Powin. Powin is a leading provider of BESS, w/ 8 GWh of systems built and 9 in the pipeline. 

As the Trump admin pushes for more drilling a...

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In This Episode:

  • The story of him co-launching the Goodwin climate practice
  • What’s happening in climate tech right now? (Market update)
  • The 3 Biggest Mistakes Climate Founders Make

Check Out Our Sponsors!

  • Goodwin: The Law Firm of Choice for ClimateTech Entrepreneurs
  • ErthTech Talent: Affordable CleanTech Search Firm

What’s up, everyone! 

Today’s episode is special since we’re speaking with David Brekke from Goodwin. In cas...

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Today, we have a great episode with Joe Rodden from Lydian. And we are talking all things eFuels and their story. 

Lydian uses Co2, Water, and abundant Green Energy to create eFuels/SAF. And because of their flexible run method, they can do it profitably, consistently. 

In the recent past there has been a huge demand for SAF that has been hard for major airlines to procure. In part because the technology ...

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Today, we have a great episode with Andrew Chan from Atas Ventures.

Surprise surprise…we’re continuing the conversation about the climate tech vibe shift, climate tech 3.0, climate risk…whatever you want to call it. 

However, our conversation with Andrew Chan of Atas Ventures is a little bit different. Andrew has, from the very beginning, thought about climate investing from first principles, placing profitability and tangible impact...

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 📺 Watch on YouTube

What’s up, everyone! 

Today we have a great episode with Grace Penders and Adam Chadroff from Equal Ventures. If you're not familiar with Equal, I recommend checking out episode 116 where we had on Rick Zullo, the Founder of Equal.

Today, we're continuing the conversation about the climate tech vibe shift. However, our conversation with Equal is a little bit different. Equal has, from the very beginning,...

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 📺 Watch on YouTube

Hey everyone! Today we’ve got a great episode with Tommy Leep from VC, Jetstream. Some of his PortCos include David Energy, Pachama, Rhizome, and past pod guests Pathways & Glacier

He’s been on the show in the past with some great advice on fundraising. Check it out — episode 85. 

#85 How to Raise Money for your ClimateTech Startup w/ Tommy Leep, founder of Jetstream VC

Recently there have been a bunch of peo...

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Rebecca Hu Thrams, co-founder of Glacier, is on a mission to transform recycling using AI-powered robotics and proprietary physical data to fix one of the biggest inefficiencies in waste management.

Glacier isn’t just another AI company—it’s tackling the physical world problem of waste sorting, giving recyclers and major brands unprecedented visibility into where materials actually go. By deploying intelligent sorting robots, Glacie...

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We’re doing something a bit different…🤔

We’re exploring the urgent and evolving landscape of critical minerals with Nicholaus Rohleder from Climate Commodities. Nick, an investor and expert in the field, breaks down how the U.S. went from a leader in mineral production to heavy reliance on foreign sources—and why the time is now for entrepreneurs to help rebuild domestic supply chains.

Key Topics Covered:

  • The Rise and Fall of U.S...
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This week, we’re joined by Todd Bush, an expert in carbon capture, utilization, and storage (CCUS), with decades of experience supporting oil and gas companies in their decarbonization efforts. Todd has founded and sold multiple companies and is now leading decarbonfuse, a daily newsletter tracking deal activity in carbon capture and industrial decarbonization.

This conversation covers the current state of carbon capture, where the ...

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Yuval Bachar, Founder and CEO of Edge CloudLink (ECL), is on a mission to revolutionize data centers with hydrogen-powered, off-grid solutions.

His journey spans decades, with leadership roles at Cisco, Facebook, and LinkedIn, where he built critical infrastructure for some of the biggest names in tech. Now, he’s pioneering a new wave of sustainable data centers, delivering AI-ready capacity in just nine months—compared to the indus...

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In This Episode
We are speaking with Nada Ahmed and Jason Ethier, two of the founding partners at Energy Tech Nexus. Energy Tech Nexus is a Houston-based hub designed to connect EnergyTech startups with the resources they need to grow. This includes access to capital, corporate partners, direct access to pilot opportunities, as well as a community of other founders doing the same thing. 

In this episode, we dive into
**how ...

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In This Episode
In today’s episode of CleanTechies, we’re joined by Anca Timofte, the CEO and Founder of Holocene, a direct air capture (DAC) company revolutionizing carbon removal through a continuous-loop liquid system. With over a decade of experience in carbon capture—including being one of the first employees at Climeworks—Anca offers unparalleled insight into the challenges and opportunities of building climate solutions.

...

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Jane Melia is the CEO and Co-Founder of Harvest Thermal, revolutionizing home heating with heat batteries.

Jane’s journey began with a vision to make home electrification both cost-effective and climate-friendly. Harvest Thermal has developed a patented system that combines heat pumps with thermal storage, reducing household emissions by 90% and energy bills by 30%, all while providing unparalleled comfort.

Here’s the kicker: Jane an...

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Martin Freimüller, the CEO and Co-Founder of Octavia Carbon, a cutting-edge Direct Air Capture (DAC) company based in Kenya

Martin’s journey began with a deep appreciation for Africa’s potential and the realization that Kenya, with its abundant geothermal energy and skilled talent pool, is the perfect location for DAC. In just two and a half years, Octavia Carbon has developed patented technology, grown to a team of 61 (40 of them e...

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On today’s episode, we’re speaking with Martin Schichtel, the CEO and Founder of Kraftblock, a thermal energy storage solution for industrial clients that use high heat. 

Today, they’re delivering their 5th project. All of which have been paid for by their customers — yep, you read that right. They have not used equity to pay for these pilot and demonstration projects. 

Their tech takes excess heat or electricity and turns it into he...

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Joshua Posamentier is the co-founder and managing partner at Congruent Ventures, an early-stage venture capital fund focused exclusively on climate tech. With a background in physics and a career that began in the semiconductor industry, Josh transitioned into climate investing after holding various roles at Intel and Prelude Ventures. Widely regarded as an OG in the climate tech space, Josh has been investing in climate solutions ...

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December 27, 2024 37 mins

Our reflections and musings as we close out the year...

Topics

01:28 2024's Top CleanTechies Episodes
07:37 Insights
12:49 Reflections on Branding and Storytelling
20:22 Milestones and Achievements in 2024
26:12 Key Lessons for Climate Tech Startups
34:59 Future Outlook

Support the show

Every ClimateTech Entrepreneur needs a reliable partner for their legal needs. Why settle for less than th...

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Julia Kumari Drapkin is the CEO and founder of ISeeChange, a data platform that combines resident-generated insights with AI to address climate adaptation challenges. Julia’s background as a climate science reporter, covering disasters like Hurricane Katrina, inspired her to bridge the gap between people’s lived experiences and actionable climate solutions. Her expertise in storytelling and data-driven insights shapes ISeeChange&ap...

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