Get your startup to the next level

Build a product people want
Validate a scalable business model
Grow from idea to 1000+ customers

Talk with me about your startup

Schedule a free call with me. No strings attached.

Mentored 150+ startups, are you next?

22%startup survival rate of my incubator program

163Startups mentored

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

Start small to win big

This is how I helped these startups in their first 20 weeks

Now: PieterPot raised €9M with 30.000 customers

Packageless supermarket

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

Now: Orderli gets into YC and raises €875k

QR menus for restaurants

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

Now: Breeze hits 60.000 dates, raises €1.3M

Dating app without chat

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

Now: Unpluq gets into TechStars and raises round

Battling smartphone addiction

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

Now: Glimp lands subsidy to build newest product

Burnout recovery device

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

Why founders like to work with me:

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

Jefta - CEO at Glimp

Jeroen saved us a from doing unimportant, safe tasks and pushed us to get out there. Jeroen always motivated us to be ambitious while keeping us grounded.

Neva - Co-founder at Hii

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

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

I'm a nerd for startups

PhD Candidate at Delft University of Technology

Studying startup idea to market processes

Running a startup program for five years

12 batches with over 125 startups

3 years of product discovery experience

At InstaPro, European platform for painters, plumbers, etc.

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Startup types I work 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.

"Is my idea any good?"

Most common question I get. Lets find out.

Do the free intake check

What you get

Frequent sessions

Rhythm to build momentum. From quick calls to strategic deep dives.

Questions you didn't think of

I'm very critical, play devil's advocate and make you uncomfortable.

Structure and examples

Frameworks, examples, recommended reads to make sense of the chaos

Two ways of working together

We will make a package together that suits you.

Personal incubator program

Best for ideas that need to go to market

€2150/program

50% discount for founders applied¹
3-6 months
Frequent mentoring calls
Fully tailored program with 1-1 workshops
Very responsive on WhatsApp
Introductions to my network

Schedule free intake call

Mentoring
subscription

Best for startups with existing customers

€500/month

50% discount for founders applied¹
Renewable each month
4 weekly mentoring calls
Very responsive on WhatsApp
Introductions to my network

Schedule free intake call

Low on cash?

I offer delayed invoices of 3 to 12 months.
We can work something out.

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Actionable startup tips for (aspiring) founders

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FAQ

I only have an idea, am I too early?

Not at all. An idea is all it takes. I gladly help you to turn that idea into a business.

Can you tell me if idea is good enough?

Yes! Schedule a call with me

What kind of founders do you work with?

Anyone who wants to learn and grow. You bring the motivation and commitment, I bring the rest.

Do you help startups to raise funding?

Nope, that's not my specialty. For help with making funding pitchdecks I refer you to Viki from Pitchblocks, he has helped to raise tens of millions his decks.

¹ Discounted founder fee

Entrepreneurs take risk with their own time and money. They get a discount of 50% and pay €125 per hour. Intrapreneurs take less risk. My corporate rate is €250 per hour. Both excluding VAT.