Jérôme Wittamer

Founding Partner, Expon Capital
Jérôme Wittamer, an operator‑turned‑investor with early 1990s bets on M-Systems and Aladdin Knowledge Systems, sources industrial, infrastructure and deep‑science deals across the Nordics, Baltics, CEE and Israel from Luxembourg.
How to contact Jérôme Wittamer
Stages their fund invests in
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Sectors their fund invests in
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Avg Check
€500K–€1.5M
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Does their fund Lead?
No
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Geos their fund invests in
Jérôme Wittamer
Stages their fund invests in
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Sectors their fund invests in
AI
SaaS
Space
Fintech
Cybersecurity
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Avg Check
€500K–€1.5M
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Leads?
No
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About Jérôme Wittamer

Jérôme Wittamer's investing traces back to early bets on foundational technologies like M-Systems and Aladdin Knowledge Systems in the 1990s, and has stayed close to industrial and infrastructure companies such as Pliops, Spire Global, EVS, Option, and Evertz, while sourcing deals across the Nordics, Baltics, Central and Eastern Europe, and Israel from his Luxembourg base. His path mixes operating and investing—he helped found VOXmobile and held roles at BIP Investment Partners, DCL Group, and Genii Capital—alongside a broad interest in science ranging from omics and synthetic biology to quantum computing, space tech, and thorium energy, and he has also helped build Luxembourg's tech ecosystem through LU-CIX, Junior Achievement, and a local Stanford startup course, all while describing venture investing today as a repeatable craft rather than a game of luck.

About their Fund

Expon Capital

Sectors
AI, SaaS, Space, Fintech, Cybersecurity
Rounds
Pre-Seed - Series A
Avg Check Size
€500K–€1.5M

Expon Capital is the only local-focused venture fund investing at the seed stage in Luxembourg and manages the public-private Digital Tech Fund, while also running a separate pan-European growth fund for companies aligned with the UN Sustainable Development Goals. The firm uses an unusually codified process, including an internal risk-return model, an almost mathematical framework for follow-on investments, rotating due diligence leadership between partners, and a culture that rewards overall fund performance rather than individual deals, and it reviewed 9,696 opportunities over five years while investing in only 26.

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