Need a fire under your ass?

Increase momentum, get product-market fit.

Workshops for your program Get me as your mentor

Worked with over 250 startups

Are you next?

19%4 year survival rate of startups of my program

203Startups 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

💡 You got an idea

But don't know where to start

Structured validation process

There's always 100 things to do. 3 are most important. I will help you select those.

Rapid experimentation

Get the right data with quick but reliable experiments

Build the right thing instead of building the thing right

Better have 10 people love you than a 1000 kinda like you.

📦 You got an MVP

But need customers

Systematically find your ideal customer segment

In a structured approach, I'll help you to find your beachhead market.

50 ideas on marketing tactics

Marketing isn't rocket science, but it requires grit and experimentation. I've got plenty of ideas we'll test together.

Devil's advocate on your priorities

Lack of customers is a lack of working on marketing. Techies often spend 90% on product. Marketing gets forgotten.

📈 You got customers

But need product-market fit

Reduce churn and get product-market fit

I will bring a fresh perspective to your product and startup. Be prepared for some tough questions.

Deeply understand your customers

Lack of growth is often a sign of lack of product-market fit. I'll help you understand what's wrong.

Data driven

I'll join your BI environment and dig deep to find what's up, highlight what data you are missing.

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

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.

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.