Strategic Product Design

Clear Thinking,

Decisive Design.

What I Do

I'm a Strategic Product Designer who makes strategy real. Whether you need someone to validate your business model, align your leadership team, or lead design on a critical product. I start with your riskiest assumptions and work backwards.

I bring strategic clarity at startup speed, using design as my primary tool for turning ambiguity into action.

Recent Impact

  • Identified 98% churn through cohort analysis (NodeScript)

  • Aligned 6 stakeholders on unified strategy that shipped on schedule (Ubio)

  • Designed first recurring revenue infrastructure for German market (SumUp)

  • Designed loan flow that processed over £1 billion (Zopa)

I'm a Strategic Product Designer who makes strategy real. Whether you need someone to validate your business model, align your leadership team, or lead design on a critical product. I start with your riskiest assumptions and work backwards.

I bring strategic clarity at startup speed, using design as my primary tool for turning ambiguity into action.

Recent Impact

  • Identified 98% churn through cohort analysis (NodeScript)

  • Aligned 6 stakeholders on unified strategy that shipped on schedule (Ubio)

  • Designed first recurring revenue infrastructure for German market (SumUp)

  • Designed loan flow that processed over £1 billion (Zopa)

Work

SumUp • 2020-2021

Built first subscription service for German market
Tax compliance meets recurring revenue.

Built first subscription service for German market
Tax compliance meets recurring revenue.

Email for access

Bendesk • 2021-2022

Validated market assumptions for benefits platform
Beautiful design. Perfect execution. No Market.

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Zopa • 2016-2025

Zopa • 2016

Designed loan flow that processed £1 billion
Still in production after 10 years.

Email for access

Approach

I help teams work through complexity by asking better questions, uncovering trade-offs, and creating clarity in the messy middle. Whether it's automation, regulatory compliance, or platform strategy, I balance systems thinking with the realities of people, product, and business.

How I Work: Four Integrated Perspectives

Strategic Thinking
I approach challenges like a business strategist first. Map the real problem. Identify leverage points. Think in systems and outcomes. Like when I aligned six competing visions into one strategy that shipped at UBIO.

Design Excellence
Design is how I make strategy tangible. Prototypes test business models. Interfaces validate assumptions. Visual frameworks align teams. 20+ years of craft deployed strategically.

Startup Speed
Work in sprints, not quarters. Ship to learn, not to impress. Validate early, pivot fast, focus on what works. No amount of polish fixes a product nobody wants.

AI Amplification
After 1000+ hours with AI tools, I use them as thinking partners. AI handles heavy lifting: data analysis, rapid prototyping, pattern recognition. I focus on judgment and human insight.

The result? Teams aligned around what matters. Decisions grounded in evidence. And products that ship because we solved real problems for real people.

Articles

Why we struggle with financial decisions, and how thoughtful design can help build better habits.

How physical space shapes our thinking, and why the future of digital design is beyond the screen.

How studying the past can reveal forgotten solutions and inspire innovation in modern design.

How architect Rem Koolhaas built a system to generate ideas, and what designers can learn.

Some Kind Words

"His way of framing the opportunity space is effective and on point... I could rely on Sjors to facilitate the design process with many stakeholders."

— Nicola Plaisant, Principal Designer at SumUp

"Deep knowledge of problem framing... expertly helped us create products that deal with a complex mixture of technology, legal, and user needs."

— Sharon Anne Kean, CPO at Zopa

"Scientific, research-based approach... His calm presence is a project manager's dream.

— Shannon Balcom, Product Manager at Possible

"Rigorous & focused... I didn't manage to get a single shaky supposition past him in the entire year we worked together!"

— Adam Tarry, Product Owner at SpecSavers

Let's talk

Ready to tackle your most complex product challenges? Let's explore how strategic design can drive business outcomes.

Book a Call

info@sjorstimmer.eu

Let's talk

Ready to tackle your most complex product challenges? Let's explore how strategic design can drive business outcomes.

Book a Call

info@sjorstimmer.eu

Let's talk

Ready to tackle your most complex product challenges? Let's explore how strategic design can drive business outcomes.

Book a Call

info@sjorstimmer.eu

Let's talk

Ready to tackle your most complex product challenges? Let's explore how strategic design can drive business outcomes.

Book a Call

info@sjorstimmer.eu

Let's talk

Ready to tackle your most complex product challenges? Let's explore how strategic design can drive business outcomes.

Book a Call

info@sjorstimmer.eu

The Footer, At Last

Home
Work
Articles
Contact

LinkedIn
Medium
Twitter

Berlin, 2025

This is the end of the page, book a coffee call ☕, always happy to chat.

The Footer, At Last

Home
Work
Articles
Contact

LinkedIn
Medium
Twitter

Berlin, 2025

This is the end of the page, book a coffee call ☕, always happy to chat.

The Footer, At Last

Home
Work
Articles
Contact

LinkedIn
Medium
Twitter

Berlin, 2025

This is the end of the page, book a coffee call ☕, always happy to chat.

The Footer, At Last

Home
Work
Articles
Contact

LinkedIn
Medium
Twitter

Berlin, 2025

This is the end of the page, book a coffee call ☕, always happy to chat.