Dr. Leon Eisen is a Venture Partner at Network VC and the founder and executive chairman of Oxitone Medical. His background combines medical-device engineering, company leadership and venture investing, giving him experience on both the operating and financing sides of a technology business.
At Oxitone, his work has centered on wrist-worn medical monitoring. The company develops devices that track physiological measures such as blood oxygen and pulse rate, together with technology for continuous remote patient monitoring. Oxitone credits him with developing its wrist-worn pulse oximeter, linking his entrepreneurial work to the creation of a physical healthcare product.
As a mentor, he focuses on the evidence behind an investment case: the business narrative, milestones, risks and assumptions that need to fit together before a financing round. His approach also considers the foundations of growth, including the vulnerability created by relying too heavily on a single customer.
Where Leon can help
- fundraising
- medtech
- venture capital
- growth
- investor readiness
Operating and investing experience
A selection of companies and roles connected to Leon Eisen.
Ventures
Oxitone Medical
Founder & Executive Chairman
Network VC
Venture Partner
Highlights
- Founder and Executive Chairman of Oxitone Medical, which credits him with developing its wrist-worn pulse oximeter.
- Venture Partner at Network VC with a mentoring focus on investment-case evidence and risk.
Questionsfounders ask aboutLeon Eisen
Where can Leon help founders?
Leon assists founders in structuring investor-grade narratives, validating key medical and technological milestones, and mitigating customer concentration risk.
Which company-building situations are most relevant to Leon’s experience?
His background directly benefits medtech, digital health, and deep tech founders preparing for seed or Series A institutional capital.
What perspective does Leon bring as a mentor?
He combines medical-device company building with venture investing. Oxitone credits him with developing its wrist-worn pulse oximeter, while his mentoring focuses on the evidence and risks behind a financing case.
The best mentors spot the best founders early.
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