How do I contact Byron Alsberg?

Byron Alsberg, Managing Partner at Prefix Capital, can be reached by email. The verified email address is listed on this page.

What is Byron Alsberg's email address?

Byron Alsberg's email address uses the prefixcapital.com domain (shown as *****@prefixcapital.com until revealed).

What does Byron Alsberg invest in?

Byron Alsberg backs Health tech companies at Series A and Seed, typically writing €92k–€4.6M cheques.

How do I cold email Byron Alsberg?

Byron Alsberg backs Health tech companies at Series A and Seed, writing €92k–€4.6M cheques. A concise cold email that leads with relevant traction and one specific ask, sent to the verified address on this page, is the most direct way to reach Byron.

Where is Byron Alsberg based?

Byron Alsberg is based in San Francisco Bay Area, United States and works at Prefix Capital.

Byron Alsberg Email & Contact Information

Managing Partner @ Prefix Capital

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Byron Alsberg Location

San Francisco Bay Area, United States

Byron Alsberg Work

2016–nowPartner @ 415 Investments

Byron Alsberg Investing

Co-founder/Managing Partner at Prefix Capital

Stages: Series A, Seed
Sectors: Health tech
Cheque size: €92k–€4.6M
Freshness: Verified 1mo ago

Byron Alsberg Summary

Byron Alsberg, based in San Francisco Bay Area, United States, is a Managing Partner at Prefix Capital. Byron Alsberg invests in Health tech at Series A and Seed, writing €92k–€4.6M cheques. Byron Alsberg brings experience from 415 Investments. Byron Alsberg's verified email and contact details are available on Mintround.

How to cold email Byron Alsberg

Byron Alsberg, Prefix Capital in San Francisco Bay Area, United States, backs Health tech companies at Series A and Seed, writing €92k–€4.6M cheques. Here's how to get a reply when you cold email Byron:

Subject line: name your company and one metric that matters to Health tech, not “quick chat”.
First line: your strongest traction, the real numbers, not adjectives.
One ask: a 20-minute call with a date range. Keep it under 150 words.
Send it to Byron's verified address below. No warm intro required.

Show Byron's email

Notable investments

Symmetry SystemsSeries B · $18M · 2023
VIASeries A · $10M · 2021
Manus BioSeries A · $19M · 2018

Frequently co-invests with

Charles SvirkMassMutual VenturesDanny CotterThe Westly GroupKasper SageBMW i VenturesKyle Kling (Fenox Venture Capital (Pegasus Tech Ventures))Omkhar ArasaratnamShane Neman

Byron Alsberg's colleagues at Prefix Capital

Calvin LingPrincipal, Prefix Capital

Owen Van NattaManaging Partner, Prefix Capital

See all 3 at Prefix Capital →

Similar investors

Jennifer GriffinPartner, Mission BioCapital

Jeffrey SilversteinPartner, Andreessen Horowitz

Christopher R. ShepardVenture Partner, Apollo Health Ventures

Dimi BarotPartner, Wavemaker Three-Sixty Health

John PrufetaGeneral Partner, Medical Excellence Capital, LLC

Jacob SmithPartner, Cannage Capital

Frequently asked questions

How do I contact Byron Alsberg?: Byron Alsberg, Managing Partner at Prefix Capital, can be reached by email. The verified email address is listed on this page.
What is Byron Alsberg's email address?: Byron Alsberg's email address uses the prefixcapital.com domain (shown as *****@prefixcapital.com until revealed).
What does Byron Alsberg invest in?: Byron Alsberg backs Health tech companies at Series A and Seed, typically writing €92k–€4.6M cheques.
How do I cold email Byron Alsberg?: Byron Alsberg backs Health tech companies at Series A and Seed, writing €92k–€4.6M cheques. A concise cold email that leads with relevant traction and one specific ask, sent to the verified address on this page, is the most direct way to reach Byron.
Where is Byron Alsberg based?: Byron Alsberg is based in San Francisco Bay Area, United States and works at Prefix Capital.

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