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Reactor Podcast

Reactor Podcast

By: Jerome
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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.

2025 Jerome
Economics Leadership Management & Leadership Personal Finance
Episodes
  • Episode 002 - Building a global anti food waste app - Camille Colbus ex-Too Good to Good - Nb 1 employee
    May 15 2024

    Summary

    Camille 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 join the platform. Camille also discusses the key elements that investors look for, such as the mission and potential impact of the company. She highlights the significance of building a strong team and culture, as well as the value of learning from experts. Camille advises entrepreneurs to stay focused on their mission, be open to feedback, and put ego aside. She also recommends the book 'Radical Candor' for effective feedback communication.

    Keywords

    #foodwaste, #impact, #scaling, #passion, #belief, #stores, #investors, #team, #culture, #feedback, #ego, #startup, #entrepreneur, #entrepreneurship

    Takeaways

    • Passion and belief in the product are crucial when convincing stores to join a platform.
    • Investors look for companies with a strong mission and potential impact.
    • Building a strong team and culture is essential for success.
    • Entrepreneurs should stay focused on their mission, be open to feedback, and put ego aside.
    • The book 'Radical Candor' is recommended for effective feedback communication.

    Titles

    • The Importance of Feedback and Ego Management
    • Building a Strong Team and Culture for Success

    Sound Bites

    • "Passion and energy...believing in your product."
    • "Learning by doing...having a good team."
    • "Surrounded by people you can learn from."

    Chapters

    00:00
    Introduction and Background

    04:04
    Showing the Product to Stores

    08:17
    Learning New Jobs and Hiring the Right Team

    12:16
    Marketing Strategy and Building a Community

    15:49
    Adapting to Feedback from Stores and Consumers

    26:29
    Advice for Startups in the Circular Economy

    31:56
    Putting Ego Aside and Seeking Feedback

    35:18
    Recommended Company: We Can Do

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    37 mins
  • Deeptech & Climate Tech Startup 101 - Lesson 2 From Ideas to Execution - The True Value Lies in Action
    Aug 15 2024

    Hello everybody!

    How do you create a deeptech or climate tech startup? You ask.

    I have got the question SO MANY TIMES
    and since we can't all get into deeptech accelerators,
    I thought that..

    Well, I'll give it a shot in a series of videos.
    Deeptech & Climate Tech startup 101.

    This is the second one. Instead of focusing on ideas: execute. Fast. Repeat.

    By the way, do you know that Reactor is on Instagram too, now?

    https://www.instagram.com/reactortechmedia/

    Thanks for your support!

    Deeptech & Climate Tech Startup 101 - Episode 2: From Ideas to Execution - The True Value Lies in Action

    Welcome back to Reactor! I’m Jerome, and in today’s episode, we’re tackling a critical topic for any aspiring entrepreneur: The true value of your business isn’t in the idea itself—it’s in how well you execute it. We’ll dive into why ideas alone aren’t enough and how to turn them into real, impactful value.

    Here’s what we’ll be covering in today’s episode:

    1. The Absurdity of Idea Theft
      • Why ideas alone aren’t enough
      • The myth of someone stealing your idea and succeeding
    2. Execution: The True Power Behind Ideas
      • The value formula: Value = (Dream Outcome × Probability of Achieving Outcome) ÷ (Effort × Time Delay)
      • Real-life example: Mark Zuckerberg and the importance of execution
    3. Focusing on Bringing Value to Customers
      • Starting small and scaling
      • Listening to feedback and iterating quickly
      • Solving real problems, not just hypotheses
    4. Overdelivering to Build Momentum
      • Creating loyal customers by going above and beyond
      • Building momentum through consistent value delivery
    5. Staying Customer-Focused
      • Empathy mapping to understand customer needs
      • Customer journey mapping to enhance experiences
    6. Recap and Takeaways
      • Summary of key points
      • The importance of execution over ideas
      • What to expect in the next episode

    These six chapters will guide us through understanding why execution is the key to success and how to effectively turn your ideas into tangible, impactful value. Let’s get started!

    [Scene 2: The Absurdity of Idea Theft]

    Let’s start with a simple question: When was the last time someone stole your business idea, created a company exactly the way you envisioned it, and made billions from it?

    Sounds absurd, right? That’s because it is.

    The truth is, ideas are easy.

    Execution is what separates dreamers from doers.

    Think about those gadgets you sometimes see on late-night TV.

    Sure, they’re real, and they might even be useful,

    but how many of them are truly solving a problem that people are struggling with every day?

    Often, these products are just “hypotheses in your head,”

    ideas that haven’t been tested against real-world needs.

    Without execution, an idea remains just that—an idea.

    [Scene 3: Execution - The True Power Behind Ideas]

    Execution is where the real value lies.

    Let’s break it down with a simple formula: Value = (Dream Outcome × Probability of Achieving Outcome) ÷ (Effort × Time Delay).



    Let’s dissect this:

    1. Dream Outcome: This is the best possible result your product can help your customer achieve.

    It’s what your customers dream of.

    How big is the impact you can make?

    2. Probability of Achieving Outcome: This is your chance of success.

    How likely is it that your product will achieve the dream outcome?

    1. Effort: How much work is required?

    What kind of res

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    16 mins
  • Episode 001 Reactor Podcast Christina Rebuffet-Broadus US Market, Marketing and Deeptech
    Apr 18 2024

    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 to finally reconciliate tech and sales and sharing her experience of entrepreneurs and with companies from Grenoble.

    Find Christina on social media in her newsletter:

    • Newsletter: https://www.christinarebuffetcourses.fr/american-market-alchemist
    • LinkedIn: https://www.linkedin.com/in/christinarebuffetbroadus/

    Here are the references mentioned during the episode :

    Vincent Bligny https://www.linkedin.com/in/vincent-bligny/

    Rémi Moriceau https://www.linkedin.com/in/rmoriceau/

    Aniah https://aniah.fr/

    The entrepreneur Lionel Clément : https://www.linkedin.com/in/lionel-clement/

    Maud Vinet https://www.linkedin.com/in/maud-vinet-quantum/

    Quobly https://www.quobly.io/

    Mathieu Lefebvre https://www.linkedin.com/in/mathieu-lefebvre-2aa74390/

    waga-energy https://waga-energy.com/en/

    Christina’s recommended resources:

    Youtube The futur https://www.youtube.com/channel/UC-b3c7kxa5vU-bnmaROgvog Podcast The school of greatness https://lewishowes.com/sogpodcast/ Book - You are a badass at making money https://www.amazon.com/You-Are-Badass-Making-Money/dp/0735222975

    Thanks Le Minimistan in Grenoble for hosting us for the episode https://minimistan.org/

    Thanks for watching this episode and see you soon !

    Do you need help developing your deeptech or climate business? https://dynamic-scale-210.notion.site/Coaching-for-Deeptech-Impact-CEO-1448aabacdee42d6a6f980eed74cc2a5

    Find the newsletter here: https://reactortech.substack.com/

    Follow me on Linkedin https://www.linkedin.com/in/jeromegilleron/?locale=en_US

    And X https://twitter.com/JeromeGilleron

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    37 mins
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