Stop guessing. Start scaling with a data-backed growth engine.

I’ve spent years obsessing over why users leave. Instead of chasing loud acquisition hacks, I build quiet systems. I fix the retention mechanics and automate the engine so the growth eventually takes care of itself.

+40% SaaS activation through product-led onboarding.
Scaled a 8-figure business from 1.5M to 2.5M ad spend at 10+ ROAS.
Led growth teams across CRM, CRO, and paid for fintech & consumer brands.
Bas Gosewisch Speaking

Let's talk growth

Challenge me. I assure you I won't dissapoint (maybe your feelings)

Recent videos

How to: tag users by behavior to track retention

Sometimes it’s hard to justify or quantify the impact of experiments. In this video, I’ll explain how we do it.

How to: turn a product shot into 20x content

Go to market faster with AI workflows. Using Flux, Imagen and SORA2 models to turn shots into assets.

No hidden gems or golden nuggets.
Just doing the right things.

// Audit

Growth Audits

I audit your entire funnel — from acquisition to retention — and expose where money leaks. You leave with a clear list of what to fix.

// Strategy

Acquisition Strategy

Turn performance marketing into a predictable system. Lower CAC, higher qualified volume across Google, Meta, and CRM.

// Loop

Retention & Activation

Fix your churn before you scale it. I build onboarding and retention loops that turn new users into paying, active ones.

// Sales

Outbound Engine

I help you reach relevant leads that are a fit with your offer AND make sure you hit volumes without deliverability issues.

// Ads

Paid Ads

Scale performance channels with precision. Google, Meta, and LinkedIn experiments tied directly to payback time.

// Scale

Content Systems

Turn one piece of content into 50. Automate content engines across channels using AI. Perfect for authority scaling.

I help business grow in three ways

01

Build growth systems

I design acquisition, activation, and retention strategies that align with customer behavior. Focus: predictable revenue.

02

Align teams

I help leadership teams adopt an experimentation-driven way of working creating alignment between product, marketing, and sales.

03

Scale performance

Full-funnel accountability. From paid acquisition and CRM to conversion. Every euro spent compounds in long-term value.

About Me


I drive revenue and retention growth for fintech, energy, and retail brands. As part of the management team at Sprints & Sneakers, I lead a cross-functional team of seven specialists turning user insight into scalable, profitable growth systems.

Recent outcomes include scaling paid investment from €1M to €2.5M at 10× ROAS and double-digit EBITDA, and improving SaaS activation rates by 40% through product-led onboarding.

Companies I've worked with
Nature Research Duurzaaminvesteren Google Prime Video Sprints & Sneakers Longines Keuken Kampioen
"My CFO now understands exactly how every euro contributes to LTV."
"We slashed CAC by 30% while scaling volume."
"I finally have a predictable growth system."
"Churn is fixed thanks to lifecycle flows."
"+40% SaaS activation rate."
"My CFO now understands exactly how every euro contributes to LTV."
"We slashed CAC by 30% while scaling volume."
"I finally have a predictable growth system."
"Churn is fixed thanks to lifecycle flows."

"Bas is a true marketer and a pleasant person to work with. Clear in his communication and keeps his promises. Bas is transparent in his way of working and involves you as a client in his thought process."

Erwin
Erwin van Haren
Marketing Manager - Longines Global Champions

"Working with Bas was a party. He thinks along from the brand values from the start and his work had immediate added value. His speed and communication make for effective collaboration!"

Thera
Thera van Heuvel
Head of Vkusvill Netherlands

DONE

I haven’t set up automatic email responders that send the schedule to you. So as soon as I receive a notification of this request, I’ll send it over to you.

Talk soon.
B

Gelukt 🏆