Get product-market fit, without the fluff

Hands-on mentoring and workshops

Workshops for your program Get me as your mentor

Worked with over 300 startups

Are you next?

19%4 year survival rate of startups of my program

301Startups mentored

$15M+Funding raised by founders I helped at the start

Start small to win big

How I helped these companies

Big: PieterPot raised €9M with 30.000 customers

Packageless supermarket

Small: I helped Jouri (right) figure out initial value proposition and business model for the first 50 customers

Big: Orderli gets into YC and raises €875k

QR menus for restaurants

Small: I helped Dorus (center) into finding his launching customer and understanding the added value of his pre-pivot solution.

Big: Breeze hits 60.000 dates, raises €1.3M

Dating app without chat

Small: Helped with initial MVP and business model and the first 50 dates

Big: Unpluq gets into TechStars and raises round

Battling smartphone addiction

Small: I helped Jorn & Tim with their MVP testing and understanding of the value added by their device.

Big: Glimp lands subsidy to build newest product

Burnout recovery device

Small: I help Jefta (center) in identifying their launching customer and designing their value proposition.

Testimonials

More reviews here

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

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

Within 3 questions he found our unknown unknowns. Jeroen always has 1000 practical examples ready to choose our next steps.

Jefta - CEO at Glimp

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

Leave your email, I'll reach out. No automated marketing stuff, just a human email.