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Apple Tree Partners

Apple Tree Partners

New York City, New Yorkappletreepartners.com

Overview

Apple Tree Partners (ATP) is a leader in life sciences venture capital, with a 25-year track record of translating emerging scientific advances into novel innovative treatments. ATP creates companies starting at various stages: from working with scientists on pre-IP ideas, to spinouts from existing company pipelines. We provide flexible capital, strategic insight, and operational resources to build sustainable, research-driven enterprises. We invest in our companies from seed stage through IPO and beyond, and we support our management teams in strategic transactions and synergistic business combinations.

Year Founded

1999

Portfolio Companies

20

Investments

CompanyDateStageLead
Gala TherapeuticsSep 2025Series CCo-investor
GalvanizeSep 2025Series CCo-investor
Green Hydrogen Systems A/SDec 2024DebtCo-investor
Red Queen TherapeuticsAug 2024Series ALead
Deep AppleDec 2023Series ALead
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Key People

Andrew Bayliffe

Venture Partner

Mark Mitchnick

Venture Partner

Paul Eisenberg

Venture Partner

Aileen Salares

Principal

Stephanie Maiocco

Principal Scientist

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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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Firmographic Details

HeadquartersNew York City, New York
Year Founded1999

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