Product Strategy · Interim Management

Clearer product portfolios.
Sharper decisions.

We help organizations make better product decisions, with strategic guidance and interim management.

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20
Years of Expertise

"Growing product portfolios demand clear strategy. We help companies cut through complexity and deliver measurable results."

The Challenge

Challenges we help companies solve

Many companies and organisations face the same recurring challenges as their product portfolios grow. We work alongside your team to solve them.

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Portfolio Complexity

As product portfolios expand, many companies struggle to maintain clear structure and direction. Without the right guidance, growth becomes an obstacle rather than an opportunity.

Our solution: We bring structure and strategic clarity to your portfolio, so growth stays an opportunity.
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Innovation Without Direction

There is a growing demand for substantive advice and concrete plans to organise innovation more effectively — especially for companies looking to extend their existing product lines.

Our solution: We turn innovation ambitions into concrete, actionable plans your team can execute.
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Execution Gap

Good ideas stall without the right structure to bring them to market. Many organisations lack the experience to turn innovation ambitions into shipped products and measurable business outcomes.

Our solution: We step in hands-on — as strategist or interim lead — to get products produced, organisations transformed and outcomes measured.
About

Rooted in 20 years of real-world product management

SANDDUNE is founded and led by Merijn van de Sandt, MSc, an experienced product and innovation leader with over 20 years of international experience in product management, innovation and business transformation. He has led the development and commercialisation of both hardware and software products across global markets. His experience spans product strategy, portfolio management, innovation and product development, connecting customer insights, technology and business opportunities. With a track record of building and leading product teams, he combines strategic thinking with a pragmatic, hands on approach to create successful products and sustainable growth.

Experience includes Philips, The Ocean Cleanup, Versuni and Priva.

Merijn van de Sandt
20
Years
  • Product Portfolio Strategy
  • Product Innovation
  • Product Management & Ownership
  • Interim Management
  • Hardware, Software & Services
Services

Tailored support, proven expertise

01

Product Innovation Advisory

We work alongside your team to deliver hands-on product innovation advice — not just recommendations, but concrete product propositions and actionable roadmaps ready to execute. We provide the strategic clarity and practical direction your organisation needs to move forward with confidence.

02

Interim Management & Fractional Support

When your team is short on capacity or missing a key skill, we step in on a fractional basis. (Fractional) CPO, Product Lead, Portfolio Manager, Program Manager or experienced Product Manager, we provide ongoing (part-time) support that fits your organisation.

03

Product Management Organisation & Leadership

We help organisations strengthen and professionalise their product management function. Through strategic advice, organisational reviews, and leadership support, we help build a product organisation that is aligned, scalable, and focused on delivering customer value.

04

Coaching & Workshops

We coach Product Owners, Product Managers, and Product Leaders to strengthen both their strategic and operational effectiveness. Through one-on-one coaching we help improve prioritisation and workload management, validate product propositions, and make better strategic product decisions.

We facilitate workshops to accelerate product strategy, innovation initiatives and to align teams.

How We Work

A results-driven, bespoke product management approach

01

Understand

Understand the market, customers, and the current portfolio & organization.

Identify opportunities, challenges, capabilities, and decision-making processes.

02

Validate

Test assumptions and concepts with customers before making significant investments. Reduce risk through early learning and evidence-based decision making.

03

Prioritize & Align

Make explicit choices based on strategic fit, customer value, business impact, and feasibility.

Focus resources on the initiatives that matter most.

04

Execute

Translate priorities into clear ownership, a realistic roadmap, and simple governance.

Ensure alignment between strategy, product management, and development.

05

Learn

Measure outcomes, evaluate results, and continuously improve. Use customer feedback and business performance to refine products and ways of working.

Who We Work With

Built for organisations that take product innovation seriously

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SMEs

Mid-sized companies looking to professionalise their innovation processes and build a more competitive, higher-performing product portfolio.

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Multinationals

Large organisations that need specialist, external expertise to challenge the status quo and drive focused innovation practices across complex product lines.

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Non-Profit Organisations

Purpose-driven organisations that need strategic advice and practical support to innovate in alignment with their values and deliver lasting impact.

Get In Touch

Ready to build a smarter, higher-performing portfolio?

Schedule a Consultation
Or reach us directly at hello(at)sanddune.nl