General Info
Jan Borgstädt is a Founding Partner at Join Capital with extensive experience in law, digital transformation, and entrepreneurship. He founded sekretaria.media and later built digital education company Cologne Publishing. Jan was previously part of Bertelsmann’s Entrepreneurs program and later became Principal at Bertelsmann’s Corporate Venture arm and Head of European Ventures. In 2014, Jan co-founded Join Capital. The fund associated with Join Capital typically invests between EUR 0.75 million to EUR 2 million for 2-3 years, seeking minority stakes globally.
Location:
Country: Germany
Industries: Defence, Space & Aerospace, Surveillance & Intelligence, Quantum & Advanced Computing, AI & Cybersecurity, Advanced Materials & Manufacturing, Autonomous Systems & Robotics
Investment Regions: EU
Investment Stages: pre-seed, seed
Website: https://www.join.capital/
angel-individual
EU
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🤖 AI Activity Report
Status: very-active
AI Reasoning: Search found investments in Jun 2025 and Jul 2025 (PhotonPath, QuadSAT). Both are within 6 months from Nov 1, 2025 (less than 6 months since June/July 2025). Therefore classify as very-active. Latest other known investment: SEMRON Jan 2024, but more recent ones found in 2025. Mentioned startup invested: PhotonPath and QuadSAT.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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