Summary
Wilfred Stegeman is a founding partner and serial entrepreneur with over a decade of experience helping startups reach product-market fit and sustainable growth. Based in Utrecht, Netherlands, he has co-founded SchedJoules—the industry-leading API for Public Calendars & Local Events—alongside MarkThisDate.com, MarketDrums.com and Gimmii, while leading ventures in Valley Ventures and Forward Incubator. As a founding partner at Radicle since 2025, he acts as a co-pilot to sharpen value propositions, identify ideal customers, and run rapid experiments for durable growth. He brings academic depth as a Lean Startup/Entrepreneurship lecturer at Sioo, guiding entrepreneurs through value proposition work and research-driven product design. His career spans API-enabled platforms, consumer and B2B ventures, and early-stage teams, blending hands-on product delivery with strategic business development. He earned a degree in Business Economics - Marketing from the University of Groningen and has augmented his growth toolkit with Growth Tribe Academy.
12 years of coding experience
25 years of employment as a software developer
Meander College
Growth Tribe Academy
drs., Business Economics - Marketing, drs., Business Economics - Marketing at University of Groningen