Reactor Podcast
Reactor – The Podcast for Deeptech & Climate Tech Mission-Driven Founders
Reactor is where ambitious founders and industry leaders share the real stories behind scaling deeptech & climate tech impact-driven companies. Hosted by Jérôme Gilleron, this podcast dives deep into the challenges, strategies, and breakthroughs that drive profitable and cashflow-positive growth in climate tech, deeptech, and sustainability.
Through candid interviews with startup founders, scale-up executives, and industry experts, we explore:
✅ How to scale mission-driven businesses without burning out
✅ Fundraising, sales, and growth strategies for impact startups
✅ Lessons from leaders who’ve built and scaled industry-defining companies
Whether you're a founder, investor, or operator in the climate tech and deeptech space, Reactor brings you actionable insights to fuel your growth.
🎧 Subscribe now and turn your vision into reality!
👉 Available on Spotify, Apple Podcasts, YouTube, and your favorite podcast platforms.
Episodes
25 episodes
AI Agents' Discussion, Master Fundraising & Cofounder agreement - This Week’s 5 Good News for Deeptech & Climate Tech Leaders – March 18th, 2025
In 1 minute: 1️⃣ Plastic Waste Incubator – A free 5-week program for researchers and startups worldwide tackling plastic waste innovation. Apply now to scale your impact! Global but focusing on Asia Pacific.2️⃣ ...
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Season 2
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Episode 7
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9:36
Get Funded, Find Advisors, and Scale Your Startup – This Week’s 5 Good News for Deeptech & Climate Tech Founders – March 11, 2025
In 30 seconds:Top 100 Sustainability Startups – Apply now to get featured & accelerate your impactThird Derivative Climate Accelerator – 18 months of funding & mentorship for climate tech founders...
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Season 2
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Episode 6
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5:43
The $8 Billion Playbook: How European Startups Can Win in the U.S. - Christina Rebuffet-Broadus - Transatlantia
Expanding to the U.S. is every ambitious European founder’s dream—but most burn cash, stall deals, and underestimate the market.In this episode of Reactor, I sit down with Christina Rebuffet-Broadus, U.S. growth expe...
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Season 2
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Episode 5
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1:16:52
Munich’s Deeptech Boom, Vietnam’s Climate Tech Rise & VC Insights - Reactor Good News Feb, 25th 2025
This week’s Reactor Newsletter is packed with insights into deeptech, VC funding, and climate innovation. Let’s dive in!But wait, if you want to go further:Sponsor this newsletter or one of my LinkedIn posts:
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Season 2
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Episode 4
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6:57
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VC Trends, Fundraising Hacks & Sustainability Wins - News in Deeptech & Climate Tech - Feb 10th 2025
🚀 5 Good News in Deeptech & Climate Tech – Feb 10, 2025👀 New here? Welcome to Reactor! Every week, we break down the biggest trends in deeptech, climate tech, and startup innovation. If you’re a founder, investor, or just love...
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Season 2
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Episode 3
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6:10
Reactor Newsletter: 5 Good News Stories in Deeptech and Climate Tech - Feb, 3rd 2025
🚀 5 Game-Changing Innovations in Deeptech & Climate Tech | Reactor Podcast📩 Get More Deeptech & Climate Tech Insights🔹 Subscribe to Reactor Newsletter: https://reactortech.substac...
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Season 2
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Episode 2
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7:23
Reactor Newsletter - 5 Good news - Jan, 27th 2024
Welcome to this week’s Reactor Newsletter, where we bring you the most exciting developments from the worlds of deeptech and climate tech. Here’s your weekly dose of innovation and progress:1️⃣ EIT Funding Opportunities for Sus...
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Season 1
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Episode 17
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6:32
5 good news in the deeptech and climate startup world - Jan 17th 2025 Edition
Welcome to this week’s Reactor Podcast, where we bring you the most exciting developments from the worlds of deeptech and climate tech. Here’s your weekly dose of innovation and progress:If you'd like to take it ...
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Season 1
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Episode 16
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8:54
From College to Blockchain Startup CEO - Thomas Benoit
Hello everybody and welcome to the Reactor newsletter!In this episode of the Reactor Podcast, I was pleased to interview Thomas Benoit, CEO of Set In Stone.To avoid missing the next episode, hit subscribe! Thomas...
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Season 2
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Episode 1
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1:16:02
5 good news in the deeptech and climate startup world - Jan 9th 2025 Edition 2 - 2025
Welcome to this week’s edition of the Reactor Newsletter, where we spotlight inspiring innovations and success stories from deeptech and climate tech. Let’s dive in!If you'd like to take it further, you can:...
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Season 1
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Episode 15
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6:17
Five Inspiring Stories from the Climate Tech World
Welcome to Reactor, where we explore growth stories from climate tech and mission-driven companies. In this episode, we’re kicking off 2025 with five pieces of good news from the deeptech and climate tech world. These stories highlight innovati...
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Season 1
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Episode 14
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6:41
Selling when you have nothing to show for - Deeptech & Climate Tech Startup 101 - Lesson 5
Mastering the Art of Selling Without a Product & Navigating Tech and Market Risks in StartupsEnjoy the episode!keywordsdeep tech, climate tech, startup, selling ideas, market risk, tech risk, customer e...
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Season 1
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Episode 13
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13:58
Corporate VS Startup - Who wins? - Deeptech & Climate Tech Startup 101 - Lesson 4
Hello everybody!How do you create a deeptech or climate tech startup? You ask.I have got the question SO MANY TIMESand since we can't all get into deeptech accelerators,I thought that..Well, I'll give it a shot in...
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Season 1
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Episode 13
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15:33
Deeptech and Climate Tech Startup 101 - lesson 03 - Come on and Pitch Again
Hello everybody!How do you create a deeptech or climate tech startup? You ask.I have got the question SO MANY TIMESand since we can't all get into deeptech accelerators,I thought that..Well, I'll give it a shot in...
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Season 1
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Episode 12
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15:53
Deeptech & Climate Tech Startup 101 - Lesson 2 From Ideas to Execution - The True Value Lies in Action
Hello everybody!How do you create a deeptech or climate tech startup? You ask.I have got the question SO MANY TIMESand since we can't all get into deeptech accelerators,I thought that..Well, I'll give it a shot in...
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Season 1
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Episode 11
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16:04
Creating a Deeptech & Climate Tech Startup 101 - 01 Foundations: Your Mindset - Ep 009
Thanks for watching this episode and see you soon !Are you a deeptech or climate startup? Do you want to appear on Reactor special edition called 'Biz Decoder' in front of investors and customers?
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Season 1
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Episode 10
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22:36
Building the best deep tech startup acceleration program in the world with Markus Bohl from Intel Ignite- Ep 008
Thanks for watching this episode and see you soon !Are you a deeptech or climate startup? Do you want to appear on Reactor special edition called 'Biz Decoder' in front of investors and customers?
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Season 1
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Episode 9
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44:33
Climate Startups - new bubble Interview with August Solliv - Impact Supporters Author - EP 007
Thanks for watching this episode and see you soon !Are you a deeptech or climate startup? Do you want to appear on Reactor special edition called 'Biz Decoder' in front of investors and customers?
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Season 1
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Episode 8
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56:40
5 best ways to crash your deeptech startup like I did with Space Eternity - Ep 006
Thanks for watching this episode and see you soon !Are you a deeptech or climate startup?Do you want to shine in front of INVESTORS and CUStOMERS on Reactor newsletter? https://tally.so/r/wzYVGkFind the newsletter h...
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Season 1
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Episode 7
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20:03
Episode 005 - My interview by Caroline Rousset - in French
SummaryJérôme Gilleron, the founder of Reactor Media, discusses his background in aeronautics and aerospace and his transition to marketing and sales. He explains the concept behind Reactors, which aims to provide support and reso...
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Season 1
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Episode 6
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53:57
Episode 004 - My product is 10x better. Why no one is buying
Thanks for watching this episode and see you soon !Are you a deeptech or climate startup? Do you want to appear on Reactor special edition called 'Biz Decoder' in front of investors and customers?
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Season 1
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Episode 5
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15:40
Case Study - A Startup targeting 10 markets - Killing the myth
SummaryIn this episode, Jerome Gilleron discusses the importance of focusing on one niche market when starting a business. He emphasizes that solo founders or small teams should not try to address multiple markets simultan...
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Season 1
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Episode 4
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18:41
Episode 002 - Building a global anti food waste app - Camille Colbus ex-Too Good to Good - Nb 1 employee
SummaryCamille Colbus, the first employee of Too Good to Go, shares her experience in scaling the app that fights food waste. She emphasizes the importance of passion and belief in the product when convincing stores to joi...
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Season 1
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Episode 3
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36:33
Episode 001 Reactor Podcast Christina Rebuffet-Broadus US Market, Marketing and Deeptech
Christina Rebuffet-Broadus is a coach and consultant specialized in helping European companies successfully land in the USA.She has helped dozens of deeptech and climate companies and she is sharing with tips about personal branding, how...
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Season 1
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Episode 2
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37:27