Jan Leisse, Founder of eleQtron

About Jan Leisse

Jan Henrik Leisse is the CEO and Co-founder of eleQtron, a deep-tech company that develops trapped-ion quantum computers. Founded in 2020, eleQtron successfully closed a €57 million Series A funding round in May 2026, led by Schwarz Digits. The company focuses on industrial scaling and commercialization of its quantum computing technology.

Jan Leisse at a glance

• Company: eleQtron
• Total raised: $61M
• Latest round: Series A
• Investors: Schwarz Digits, EIC Fund, Earlybird, Ankaa Ventures, Precitec, NRW.BANK
• Location: Siegen, Germany

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