Julien Pache combines a law background with a Master in Philosophy of Science and describes his approach through what he calls a philosophy of tech, having also worked directly inside a portfolio company, Bring! Labs, where he led its commercial growth through to its sale to Swiss Post before returning to venture investing. He now focuses on the built environment through the Constructive Venture Fund, has spoken publicly on the ethics of generative AI, and argues that the strongest founders act on insights few others see while solving problems people truly need solved, not just nice-to-have ones.
About their Fund
VI Partners
Sectors
Biotech, Medtech, AI, Enterprise, Fintech
Rounds
Seed - Series A
Avg Check Size
CHF 2M–CHF 4M
Notable Investments
Founded in 2001, VI Partners is Switzerland's longest-established venture capital firm focused on early-stage life science and technology, built on close ties to ETH Zurich and EPFL through tech-transfer offices and backed by an investor base that includes ETH Zurich and major corporates like ABB, UBS, Nestlé and Sulzer, alongside an evergreen fund structure that recycles capital rather than following the typical 10-year VC model. This academic-to-industry pipeline has produced repeated large exits, including 2025's billion-dollar acquisitions of Nexthink and Araris Biotech, both of which grew out of Swiss university research.
Other partners at the fund
Notable Fund
Investments
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Deeptech / Hardware
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Robotics
Biotech
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12
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Unknown
Pre-Seed - Seed
Unknown
$400K - $2M
Unknown
Defense
Deeptech / Hardware
Energy
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7
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Unknown
Pre-Seed - Series A
Unknown
$100K - $5M
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Defense
Deeptech / Hardware
Energy
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7
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Unknown
Pre-Seed - Series A
Unknown
$100K - $5M
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Biotech
Health
Deeptech / Hardware
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2
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Unknown
Pre-Seed - Seed
Unknown
$250K - $2M
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Climate
Deeptech / Hardware
Materials
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4
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Unknown
Pre-Seed - Seed
Unknown
$400K - $1.5M
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Deeptech / Hardware
Robotics
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7
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Unknown
Pre-Seed - Seed
Unknown
$400K - $2M
Unknown
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Deeptech / Hardware
Robotics
Biotech
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2
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Unknown
Pre-Seed - Seed
Unknown
~$750K
Unknown
Fintech
Deeptech / Hardware
Devtools
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2
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Unknown
Pre-Seed - Series A
Unknown
$250K-$1M
Unknown
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