Martijn Crijnen
Co-Founder @ The Vydar Group
About
As Co-founder and CFO of Vydar, I'm focused on turning complex prototypes into reliable, field-ready systems. My role is to build a solid financial and operational foundation that enables engineers and partners to move quickly while maintaining control, transparency, and trust. Judo has been part of my life since I was four. Competing at a high level taught me the value of discipline, respect, and continuous improvement, principles I still apply every day. I bring that same mindset to my work: structured, calm under pressure, and fully committed to the team’s success. Entrepreneurship motivates me because I enjoy creating, collaborating, and helping people grow. Outside of work I stay active through mountaineering, running, and judo. These challenges remind me how progress comes from persistence and preparation. Always open to connecting with others in defence, finance, technology, or entrepreneurship who share a passion for building things that matter.
Netherlands
Rotterdam
Defense & Space
Sales, Public Speaking, Financial Analysis, Finance, Problem Solving, English, English Language and Literature, Financial Advisory, Investment Advisory Services, Investments, Analytical Skills, Entrepreneurship, Acquisitions, Management, Investment Banking, Leadership, Judo, Sailing, Social, Sales Management
Experience

Co-Founder
Rotterdam and Delft
Run the business side of Vydar, a deep-tech defence company building GPS-denied navigation and autonomy on a fully European hardware stack. Lead finance, fundraising, business development, and marketing, freeing my co-founders to focus entirely on building the technology.

Co-Founder & Finance Lead (Sold Company)
StapStep B.V.
Rotterdam and Utrecht
Co-founded the company, raised financing, and led it through to a successful exit. Owned finance and sales, and worked across management, marketing, logistics, supply chain, and international partnerships.
Martijn Crijnen's Contact Information
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