Marcus Erken is a founding partner at Sunfish Partners, an early-stage VC backing defense tech startups from Central and Eastern Europe.
Beyond Sunfish, Marcus is an active angel investor with a global portfolio and a co-lecturer of a university course where students launch and grow their own companies.
Earlier in his career, he co-built WHU’s university incubator, where he worked hands-on with more than 120 student-founded startups. His experience spans both sides of the founder-investor table, making him a trusted advisor to entrepreneurs navigating the challenges of building in competitive markets.
Marcus holds a B.Sc. and M.Sc. in Business & Management from WHU Vallendar, a Ph.D. in Entrepreneurship from RWTH Aachen University, and was a Visiting Research Fellow at Harvard University.
Always curious and approachable, he shares his time with founders through mentoring and 1:1 sessions, offering practical insights on startup building and fundraising.
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Akis Bratsos
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Radu Georgescu
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