Actionable advice towards product-market fit

Get unstuck, increase momentum

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Worked with over 300 startups

Are you next?

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19%4 year survival rate of startups of my program
301Startups mentored
$15M+Funding raised by founders I helped at the start

Testimonials

More reviews here

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I had multiple ideas but no idea where to start. Which customers are willing to pay? Jeroen helped me to test ideas quickly, without committing to building a unproven product.

Menno - Co-Founder at Home of Progress
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Jeroen has helped us zooming out, looking at the greater picture and challenge our assumptions every time we felt too comfortable.

Paul - Co-founder at AccuSelect
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Within 3 questions he found our unknown unknowns. Jeroen always has 1000 practical examples ready to choose our next steps.

Jefta - CEO at Glimp
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Co-founded and killed my own startup

Smartphone app

Just in Case was a digital legacy app: save your important files, passwords and info about your funeral for your loved ones.

1000+ downloads, 100% churned

Launch with press coverage lead to downloads

Failure reason: No market need

App didn't provide enough value for users

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Startup types

Most experience with

Consumer focused startups

Hardware, services and software. I love figuring out the needs of consumers.

B2B SaaS

Leveraging my 3 years of experience as innovation consultant to navigate multi-stakeholder organisations.

Platforms & Marketplaces

I worked on product discovery and marketplace management for an online marketplace for 3 years. I love the dynamics of platforms.

Get me as your mentor

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