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Impact Makers: The Stories of Social Founders

Hosted by Peter Bronkhorst - Mutineer

In deze podcast gaan we in gesprek met 'social founders'; ondernemers met een missie om de wereld eerlijker, duurzamer of op een andere manier beter te maken. We bespreken hoe hun missie is ontstaan en waarom dat zo belangrijk is en hoe hun reis als ondernemer is gelopen. Hoe werden ze succesvol?

22 episodes · publishes monthly · latest 2026-06-09

Rank

#158

Substance

34.0

/ 100

Why it scores where it does

Impact Makers: The Stories of Social Founders ranks #158 on The B2B Podcast Index with a substance score of 34.0 out of 100, scored across 1 recent episode. It scores highest on guest caliber and specificity & evidence. Marnix Geus is a genuine practitioner who built a PR agency to 50 staff over a decade, took it through a significant loss event, and then founded a social venture — real operating experience. However, he is now running a small foundation rather than a scaled B2B enterprise, limiting direct relevance to most operators.

The five-dimension breakdown

Averaged across 1 recently scored episode, with cited evidence.

Insight Density

6.0 / 20

The episode is predominantly autobiographical storytelling about a social foundation, with sparse actionable content for B2B operators. The few observations about community-led growth and corporate structure are stated briefly and never developed with rigour; the rest is personal narrative and motivational sentiment.

“It's always nice to be inspired, but the risk is very high that the next day you just go on with what you were doing”

“community-led growth itself is something that happens and where you have limited influence”

Originality

5.0 / 20

The episode leans entirely on borrowed frameworks — the Second Mountain (explicitly attributed to a book), Rutger Bregman's moral ambition thesis, and a standard principal-agent critique of corporates. No contrarian, first-principles, or genuinely counterintuitive arguments are advanced.

“I don't know, or you know the book Second Mountain”

“Rutger Bregman now has his upcoming book about moral ambition”

Guest Caliber

8.0 / 20

Marnix Geus is a genuine practitioner who built a PR agency to 50 staff over a decade, took it through a significant loss event, and then founded a social venture — real operating experience. However, he is now running a small foundation rather than a scaled B2B enterprise, limiting direct relevance to most operators.

“we grew in 10 years to 50 people at a people, which is quite a lot for a PR agency”

“I set up a number of PR offices One that grew a lot Business partner, two partners bought in at the time”

Specificity & Evidence

8.0 / 20

There are concrete biographical data points — €2,500 annual membership fee, 50-person agency, a quarter-million-euro loss, ten redundancies, the 2017 Lesbos trip — but these are personal narrative details rather than outcome metrics or business evidence. No data on impact delivered, membership growth, or project results.

“they just pay a kind of annual fee from 2,500 euros”

“we grew in 10 years to 50 people at a people, which is quite a lot for a PR agency”

Conversational Craft

7.0 / 20

The host asks reasonable biographical questions and occasionally pushes back on specific claims (consumer agency), but mostly validates the guest and fills considerable airtime with his own opinions and anecdotes. No probing for evidence of impact, no challenge to the foundation's business model viability, and the conversation frequently loses direction.

“Well, the latter I'm not entirely with you”

“community-led growth. Yeah, I just learned that word before we started recording”

Standout episodes

  • Aflevering 20: Marnix Geus - The Present

    2024-04-18

    34

Rank over time

First period on the Index - history builds from here.

Episodes

1 scored on substance · 22 tracked in total.

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