How do I contact Josef Feldman?

Josef Feldman, Partner at Tectonic Capital, can be reached by email. The verified email address is listed on this page.

What is Josef Feldman's email address?

Josef Feldman's email address uses the tectonic.vc domain (shown as *****@tectonic.vc until revealed).

What does Josef Feldman invest in?

Josef Feldman backs Health tech companies at Pre-seed and Seed, typically writing €46k–€1.8M cheques.

How do I cold email Josef Feldman?

Josef Feldman backs Health tech companies at Pre-seed and Seed, writing €46k–€1.8M 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 Josef.

Where is Josef Feldman based?

Josef Feldman is based in New York, United States and works at Tectonic Capital.

Josef Feldman Email & Contact Information

Partner @ Tectonic Capital

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Josef Feldman Location

New York, United States

Josef Feldman Work

2024–nowBoard Member @ Terrain Biosciences
2024–nowBoard Member @ Eclipsebio
2018–nowCo-Founder, Board member @ Assembly OSM
2018–nowFounding Investor @ Renegade Insurance

2013–nowFounding Partner @ Tectonic Capital
2023–2024Cofounder, CEO @ Circle Labs Bio
2023–2024Cofounder, CEO @ Terrain Biosciences
2023–2024Cofounder, CEO @ Eclipsebio

Josef Feldman Investing

Founding Partner at Tectonic Capital

Stages: Pre-seed, Seed
Sectors: Health tech
Cheque size: €46k–€1.8M
Freshness: Verified 1mo ago

Josef Feldman Summary

Josef Feldman, based in New York, United States, is a Partner at Tectonic Capital. Josef Feldman invests in Health tech at Pre-seed and Seed, writing €46k–€1.8M cheques. Josef Feldman brings experience from Terrain Biosciences, Eclipsebio, Assembly OSM and Renegade Insurance. Josef Feldman's verified email and contact details are available on Mintround.

How to cold email Josef Feldman

Josef Feldman, Tectonic Capital in New York, United States, backs Health tech companies at Pre-seed and Seed, writing €46k–€1.8M cheques. Here's how to get a reply when you cold email Josef:

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 Josef's verified address below. No warm intro required.

Show Josef's email

Notable investments

Terrain BioSeed · $9M · 2025
Covered by SAGESeed · $6M · 2020
Mammoth BiosciencesSeries A · $23M · 2018
Brace.aiSeed · $2M · 2018
PlanetWatchersSeed · $2M · 2017
NamogooSeed Round · $69M
OutlierSeed · $78M
Ramp FinancialSeed Round

Frequently co-invests with

Gigi Levy-WeissNFX2×Aaron ZuckerSapir Venture PartnersAlex Rosen (Ridge Ventures (Formerly known as IDG Ventures USA))Alexander Rosen (Ridge Ventures (Formerly known as IDG Ventures USA))Alon LifshitzHanaco VenturesAndre RonsoehrSeraphim SpaceAndrea Turner MoffittPlum Alley InvestmentsAvantika DaingPlum Alley InvestmentsAvi RosenbaumTectonic CapitalBob ZippAmicus CapitalBrad GreenwaldHilltop Venture PartnersBradley HorowitzGoogle Ventures

Josef Feldman's colleagues at Tectonic Capital

David WolfsonPartner, Tectonic Capital

See all 2 at Tectonic 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 Josef Feldman?: Josef Feldman, Partner at Tectonic Capital, can be reached by email. The verified email address is listed on this page.
What is Josef Feldman's email address?: Josef Feldman's email address uses the tectonic.vc domain (shown as *****@tectonic.vc until revealed).
What does Josef Feldman invest in?: Josef Feldman backs Health tech companies at Pre-seed and Seed, typically writing €46k–€1.8M cheques.
How do I cold email Josef Feldman?: Josef Feldman backs Health tech companies at Pre-seed and Seed, writing €46k–€1.8M 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 Josef.
Where is Josef Feldman based?: Josef Feldman is based in New York, United States and works at Tectonic Capital.

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