Investment Stage

Focus Areas

About Investor

Dr. Marcus Erken is a Co-founder and Managing Partner at Sunfish Partners and is based in Berlin, Germany. He focuses on DeepTech, space, and AI companies at the Pre-seed and Seed stages. His investment interests include research-driven technologies, innovations developed for the space economy, and intelligent systems with scalable commercial applications. Marcus generally invests between $165K and $1.1M, with a preferred commitment of approximately $330K. As a lead investor, he contributes directly to technical assessment, early financing, company selection, and portfolio development. At Sunfish Partners, he supports early-stage founders as they transform advanced technologies into viable businesses.