Fundraising Fox

Apple Tree Venture Management Llc

Venture capital

New York · Pre-Seed–Late Stage · 18 people tracked

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Investment thesis

Apple Tree Partners focuses on developing next-generation biotechnology companies by creating science-based enterprises from inception through maturity. The firm invests across multiple stages, from collaborating with scientists on pre-commercialization ideas to supporting spinouts from existing pipelines. It provides comprehensive support including flexible capital, strategic insights, and operational resources to build sustainable, research-driven companies.

Source: firm website, verified Jul 21, 2026.

Stage
Pre-Seed–Late Stage
HQ
New York, US
Instruments
Equity
Founded
1999
Tracked investments
59

Team · 18 people

from the firm's website
Seth Harrison· Managing Director

Managing director of Apple Tree Partners GP III Ltd., leading the firm through ongoing Chapter 11 restructuring proceedings.

Seth L. Harrison· Founder and Managing Partner

Founder and managing partner of Apple Tree Partners, with a career in life sciences investing dating back to 1991. He previously served as a general partner at Oak Investment Partners and venture partner at Sevin Rosen Funds, with early investments in multiple companies that went public or were acquired.

Anna Batarina· Partner

Partner based in London who joined ATP in 2016 from Braeburn, an ATP portfolio company where she held senior strategic roles. She previously served as senior vice president and head of Capital Markets and Investor Relations at Uralkali, leading a prominent London Stock Exchange IPO.

Aileen Salares· Principal, New Product Planning

Principal of new product planning who previously held senior director roles at Sanofi Genzyme in rare disease commercialization and established the business insights function at Foundation Medicine. She began her career as a healthcare equity research analyst at multiple investment banks.

Neena Kadaba· Senior Principal

Senior principal and science-driven investor with over 15 years of biotech venture capital experience. She previously served as director at Quark Venture and QB3, leading due diligence and board roles for multiple biotech investments, with a PhD in chemistry from Caltech.

Joseph A. Yanchik III· Venture Partner

Venture partner with over 20 years of experience founding and funding life science companies. He co-founded ATP portfolio companies Aileron Therapeutics and Tokai Pharmaceuticals, leading the latter's growth and Aileron's $1.1 billion partnership with Roche and IPO.

Mark Mitchnick· Venture Partner

Venture partner with three decades of drug product development experience who founded and successfully exited three companies: sunSmart, Particle Sciences, and Mind Sciences. He has numerous peer-reviewed publications and over 25 patents across drug delivery, diagnostics, and medical devices.

Paul Da Silva Jardine· Venture Partner

Venture partner with 25 years of pharmaceutical research and development experience at Pfizer, where he led cardiovascular and metabolic disease research and discovered over 50 clinical candidates. He founded Staten Biotechnology, which was acquired by Novo Nordisk, and has contributed to ATP portfolio company outcomes.

Paul Eisenberg· Chief Medical Officer and Venture Partner

Chief medical officer and venture partner with over 30 years of drug development experience at Eli Lilly and Amgen, where he led cardiovascular discovery, translational medicine, regulatory affairs, and global medical programs. He holds over 80 peer-reviewed publications and was a professor of medicine and director of cardiac intensive care.

Spiros Liras· Venture Partner

Venture partner with decades of pharmaceutical research leadership at Biogen and Pfizer, where he led medicinal chemistry teams and established external portfolio innovation programs. He holds a PhD in organic chemistry and serves as an adjunct professor at UCSF's pharmaceutical chemistry department.

Brian Vash· Entrepreneur in Residence

Entrepreneur in residence focused on innovative protein engineering with over 20 years of hands-on experience designing novel proteins. He held leadership roles at Elstar Therapeutics and Novartis, developing bispecific antibody platforms and contributing to CAR-T therapy patents.

Daniel Finkelman· General Counsel

General counsel with over 45 years of experience as a corporate and partnership attorney specializing in private investment funds. He has served as ATP's principal funds counsel for 20 years and previously represented funds raising over $50 billion in committed capital.

Eva Zhou· Head of Talent

Head of talent with over a decade of executive search experience, including six years recruiting C-level leaders into VC-backed companies. She previously led Biogen's in-house executive search capability and led their leadership succession planning and executive onboarding programs.

John F. Reilly· Chief Scientific Officer, Nereid Therapeutics and Entrepreneur in Residence

Entrepreneur in residence with over 20 years of biopharmaceutical leadership and drug discovery experience. He previously served as senior vice president of biology at Goldfinch Bio and held leadership roles at Catabasis Pharmaceuticals, Novartis, and Merck Research Laboratories.

Marie-Therese Afif· Head of Operations

Head of operations with over 30 years of experience supporting private investment funds. She has worked with ATP since its inception in 1999 and previously worked at H/2 Capital Partners for nearly a decade, managing operations, administration, human resources, legal and compliance matters.

Sally Jacob· Head of Communications

Head of communications with over 25 years of biopharmaceutical industry experience. She held leadership roles in corporate affairs and communications at Pfizer, Amgen, and Bristol-Myers Squibb, focusing on research transparency, clinical trials awareness, and public health education.

Stephanie Maiocco· Scientist in Residence

Scientist in residence focused on innovative protein engineering who previously contributed to protein technology platforms at Akrevia Therapeutics and Elstar Therapeutics. She is a co-inventor on multiple patents for bi-specific antibodies and protein therapeutics.

Vern Norviel· Special Advisor

Special advisor and partner at Wilson Sonsini Goodrich and Rosati with three decades of experience formulating IP and legal strategies for life science companies. He was previously general counsel at Perlegen Sciences and Affymetrix, and lectures in biotechnology law at UC Berkeley.

What they invest in

from 18 of 59 portfolio companies

Biotech ×13Healthtech ×9Medical Devices ×8AI & Machine Learning ×6Deep Tech ×5Digital Health ×2Defense Tech ×1GovTech ×1

HQs:United States×12Denmark×1United Kingdom×1Mexico×1

Investments · 59 tracked

founders shown can be your intro path
Aethon Therapeutics
Aileron Therapeutics
Akero Therapeutics
Apertor Pharmaceuticals
Ascidian Therapeutics
Aulos Bioscience
Braeburn
Chinook Therapeutics
Coelacanth
Corvidia Therapeutics
Cyrano Sciences
Deep Apple Therapeutics
Epix Therapeuticsmedtronic.comin

Medtronic designs and develops medical technology for treating complex diseases. The company redesigns treatment for more than 70 serious health conditions through applied healthcare technology, artificial intelligence, and medical devices.

AI & Machine LearningDigital HealthHealthtechMedical Devices

Evercrisp Biosciences
Galvanize Therapeutics
Gloucester Pharma
HeartWare International
Initial Therapeutics
Marengo Therapeutics
Marlinspike Therapeutics
Nereid Therapeutics
Nine Square Therapeutics
Red Queen Therapeutics
Replicate Bioscience
SGX Pharmaceuticals
Stoke Therapeutics
Syntimmune
Tendyne
Tokai Pharmaceuticals
Tusker Medical
View company's websitesmith-nephew.com

Smith+Nephew is a medical technology company that develops products for the repair, regeneration, and replacement of soft and hard tissue, serving orthopedic and sports medicine patients.

HealthtechMedical DevicesLondon, GB

View company's websitejnj.com

Johnson & Johnson is a diversified healthcare company operating across 260 subsidiary companies with approximately 138,000 employees globally. The organization develops pharmaceuticals, medical devices, and healthcare solutions across therapeutic areas including cardiology, oncology, immunology, neuroscience, and orthopaedics, alongside digital health and surgical robotics technologies.

BiotechHealthtechMedical DevicesNew Brunswick, US

View company's websiteakerotx.com

Akero develops engineered protein therapies for metabolic diseases, particularly MASH (metabolic dysfunction-associated steatohepatitis) and other conditions with high unmet medical need. The company's lead candidate, efruxifermin, is in phase 3 clinical trials for liver disease treatment.

BiotechHealthtechMedical Devices

View company's websiteaethontx.com

ATP develops life sciences companies, operating in the biotech/deeptech sector.

BiotechDeep Tech

View company's websiteapertorpharma.com
View company's websiteascidian-tx.com
View company's websiteaulosbio.com

Aulos develops immune-activating antibody therapeutics for cancer treatment, using artificial intelligence to design monoclonal antibodies that modulate interleukin-2 activity to enhance immune activation in immuno-oncology.

AI & Machine LearningBiotechHealthtech

View company's websitebraeburnrx.com

Braeburn Rx is transforming the management and treatment of opioid use disorder (OUD) by working to eliminate stigma and improve access to care. The company operates in the digital health and addiction treatment space, focusing on recovery solutions for people affected by opioid use disorder.

Digital HealthHealthtechPhiladelphia, US

View company's websitenovonordisk.com

Novo Nordisk is a pharmaceutical company that develops and markets treatments for diabetes, hemophilia, weight management, and other chronic diseases through innovative drug therapies.

BiotechHealthtechMedical DevicesCopenhagen, DK

View company's websitesmithsdetection.com

Smiths Detection manufactures X-ray screening systems, explosive and narcotics detection equipment, and security checkpoint solutions for airports, borders, and cargo facilities. The company serves aviation, transportation, and government security agencies with advanced detection and inspection technologies.

Defense TechGovTechHardware

View company's websitedeepappletx.com

Deep Apple Therapeutics is discovering small-molecule drug candidates using cryo-EM structural biology, artificial intelligence, and virtual screening to identify compounds for various diseases. The company serves pharmaceutical development and biomedical research.

AI & Machine LearningBiotechDeep Tech

View company's websiteevercrispbio.com

Evercrisp develops machine learning-engineered miniproteins that enable targeted delivery of genetic medicine payloads to previously inaccessible tissues without relying on viral vectors or nanoparticles. The company serves patients with limited treatment options across diverse genetic diseases by making genome editing and oligonucleotide therapies safer and more effective.

AI & Machine LearningBiotechDeep Tech

Jennifer Doudna, Ph.D.Tanja Kortemme, Ph.D.Spiros Liras, Ph.D.

View company's websitegalvanizetx.com

Galvanize Therapeutics develops Aliya, a pulsed electric field (PEF) energy platform for surgical ablation of soft tissue that uses regulated cell death mechanisms. The company serves surgeons and interventional pulmonologists treating cancer and other soft tissue conditions.

BiotechMedical Devices

View company's websitemarengotx.com

Marengo Therapeutics develops TCR-targeting antibodies to activate T cell subsets against cancer. The clinical-stage biotech company uses novel immunotherapy approaches to enable the body's immune system to mount durable responses to cancer and other diseases.

BiotechHealthtech

View company's websiteninesquaretx.com

Nine Square Therapeutics develops drugs targeting neurodegenerative diseases, focusing on identifying and validating novel drug targets previously considered undruggable. The company combines experimental biology, computational methods, and systems-level approaches to advance treatments for conditions including Alzheimer's disease, Parkinson's disease, ALS, and frontotemporal lobar degeneration.

AI & Machine LearningBiotechDeep TechSan Francisco, US

LaniSteveMatthew P. JacobsonSpiros

View company's websitereplicatebioscience.com

Replicate Bioscience develops self-replicating RNA (srRNA) vector platform technology for therapeutic treatments across infectious disease, oncology, and autoimmune disorders. The company's approach leverages srRNA to drive repeated production of natural RNA within cells, enabling sustained protein expression and therapeutic effects.

AI & Machine LearningBiotechDeep TechSan Diego, US

View company's websitestoketherapeutics.com
View company's websitealexion.comin𝕏

Alexion is a biopharmaceutical company focused on researching and developing treatments for rare diseases, investigating new targets, modalities and technologies to address patient needs globally.

BiotechBoston, US

View company's websiteabbott.com

Abbott's Lingo Glucose System is a continuous glucose monitoring device for non-insulin users aged 18+, designed to track glucose levels and support metabolic health decisions.

HealthtechMedical Devices

View company's websitenovustherapeutics.com

Eledon develops tegoprubart, an anti-CD40L antibody immunosuppressant for organ transplant recipients, aimed at preventing transplant rejection and extending organ longevity. The company is conducting clinical trials in kidney transplantation with expansion into liver transplants and xenotransplantation.

BiotechLongevityMedical Devices

Steven Perrin(President and Chief Scientific Officer)

VytronUS

Board seats · per SEC filings · 7

what is this? ⓘ
Aulos Bioscience, Inc.SEC filing

$20M raise · filed Aug 2023 · via Anna Batarina, Seth Harrison

Replicate Bioscience, Inc.SEC filing

$53M raise · filed Mar 2022 · via Joseph Yanchik, Seth Harrison

Marlinspike Therapeutics, Inc.SEC filing

$65M raise · filed Feb 2022 · via Joseph Yanchik, Seth Harrison

Deep Apple Therapeutics, Inc.SEC filing

$52M raise · filed Dec 2021 · via Paul Da Silva Jardine, Seth Harrison

Red Queen Therapeutics, Inc.SEC filing

$55M raise · filed Nov 2021 · via Seth Harrison, Spiros Liras

Evercrisp Biosciences, Inc.SEC filing

$75M raise · filed Aug 2021 · via Anna Batarina, Seth Harrison

Apertor Pharmaceuticals, Inc.SEC filing

$50M raise · filed Nov 2020 · via Paul Eisenberg, Seth Harrison

Inferred from directors named on each company's SEC Form D — public regulatory data, not a portfolio list published by the firm.

Frequently asked questions

What stage does Apple Tree Venture Management Llc invest at?
Apple Tree Venture Management Llc invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth, Late Stage stages.
What sectors does Apple Tree Venture Management Llc focus on?
Apple Tree Venture Management Llc focuses on Biotech, Deep Tech, Digital Health, Healthtech, Medical Devices.
Where is Apple Tree Venture Management Llc located?
Apple Tree Venture Management Llc is headquartered in New York, US.

Images

Apple Tree Venture Management Llc photoApple Tree Venture Management Llc photo

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