Bringing
Digital Products
to life.

I help companies like yours to develop, optimize, and market digital products.

As a Product Strategist, I blend my experience in product management, data analysis, and marketing strategy. It is with these distinct but related skills that I have been advising clients such as Google, Decathlon, Telefónica, and ADAC for the past decade.

My promise: to think holistically about these disciplines, to bridge the gaps between them, and to bring them closer together in a sustainable, impactful way.

Sounds good? Let's connect!

GROWING FORWARD GROWING FORWARD GROWING FORWARD GROWING FORWARD GROWING FORWARD

SERVICES

Product

  • Product Ownership
  • Program Management
  • Agile Processes

Strategy

  • Market Research
  • Product Discovery
  • Experimentation & Testing

Business

  • Digital Business Models
  • Product-driven Innovation
  • Impact Reporting

Marketing

  • Loyalty & Retention
  • Digital Marketing
  • Product Growth

Data

  • KPI Strategy
  • Digital Analytics
  • Data Visualization
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REFERENCES

Marvin has made significant contributions to loyalty marketing at Decathlon. He has played a key role in developing and growing programs that excite, engage, and retain our customers. Throughout our collaboration, he has demonstrated his quick and in-depth understanding of commercial, promotional, and technical aspects. Marvin's ability to form and communicate clear strategic visions has been recognized consistently within the organization, including our C-level. His strong abilities in analytics and research have been a true asset for making decisions quickly and confidently.

I look forward to collaborating with him in the future and would recommend Marvin to anyone looking for an independent, supportive, and knowledgeable strategist between tech and marketing.

Alicia Brandt | Decathlon
Head of CRM & Loyalty

Working with Marvin has been a true partnership. Across multiple client projects, he has brought a rare mix of strategic depth, structural clarity, and creative sharpness. His grasp of digital ecosystems and marketing strategy allows him to quickly connect user needs, business goals, and technical realities.
What sets Marvin apart is not just his expertise, but his way of working: structured, reliable, and always focused on impact. From early strategic framing to detailed concept work, he creates shared understanding — bridging disciplines and helping teams move forward with speed and empathy.

Marvin elevates the quality of thinking in any team. We recommend him without hesitation to anyone seeking a trusted partner in marketing strategy.

Jan Malsch | Circle²
Managing Director
See project experience

As a consultant, it is important for me to work closely and in a collaborative spirit with my clients and their teams. Together, we develop and test actionable levers to achieve your business goals with great products and distribution. Because our project's success should not only be visible on pretty slides, but translate into real change measured by meaningful KPI's.

For as long as I can remember, I've found joy in creativity –
for as long as I have worked, I've found pride in solving problems.

Building digital products and services, to me, means the best of these pursuits. I appreciate the very human, empathic aspects of working with characters and tempers just as much as I enjoy the balancing act of finding common ground along distributed teams and complex organizations. I am excited by loud and bold marketing just as much as I value the rational, calm side of research and analysis.


Though challenging at times, I know that all decision making benefits from these different angles and new perspectives. In private as in business, it's important to me to know where I'm going and to follow that direction with intent. With a decision made and goal in mind, progress excites me. It thrills me to see something coming to life that is created from nothing but genuine human qualities enabled by knowledge, will and technology.


All that is why I couldn't be happier about what I do: to help great teams getting bold ideas off the ground & into the wild.