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Adam Greene

Partner

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At a glance

Full Name
Adam Greene
Title
Partner
Firm
Braidwell
Firm Type
Life sciences-focused investment firm
Investment Stage
All stages of company development; public and private markets
Check Size
Reported investment range of $10M–$50M, with a $25M sweet spot, from an investor-profile database that still lists him under Deerfield Management
Target Company Profile
Companies developing products, platforms, or services that can transform human health
Sector Focus
Life sciences, therapeutics, pharmaceuticals, biotechnology, digital health, healthcare services, health IT
Geographic Focus
Primarily U.S.; current public listings place him in New York
Location
New York, New York

Background

Adam Greene is currently listed publicly as a Partner at Braidwell, a life sciences-focused investment firm that says it “build[s] and back[s] companies that transform human health.” Braidwell describes its model as flexible capital and partnership for companies at all stages of development and across public and private markets.

Before Braidwell, Greene was a Partner at Deerfield Management. Third-party profiles of Deerfield list him as having joined the firm in 2010 and as a Partner on the Therapeutics team. Deerfield’s own current site describes the firm as a healthcare investment firm with more than $16 billion in assets under management as of December 2025 and a portfolio of more than 200 private and public healthcare investments.

Prior to Deerfield, Greene spent seventeen years as a sell-side pharmaceutical analyst at firms including RBC Capital Markets, JPMorgan, and First Albany. His research coverage focused on generic drug manufacturers, large-cap pharmaceuticals, and specialty pharmaceuticals. He holds a B.S. in Finance from Lehigh University.

Investment Thesis & Focus

  • Braidwell’s stated focus is human health: “We build and back companies that transform human health.”
  • Braidwell says it provides “flexible capital and thoughtful partnership” to companies “at all stages of development” and across “public and private markets.”
  • Braidwell emphasizes investment research, medical science, biostatistics, commercial analysis, financial structuring, data science, AI, and portfolio engineering as part of its investment process.
  • Greene’s prior Deerfield role was on the Therapeutics team, and his earlier sell-side background was concentrated in generic drug manufacturers, large-cap pharmaceuticals, and specialty pharmaceuticals.
  • Investor-profile data for Greene under Deerfield lists sector rankings in pharmaceuticals, biotech, health IT, digital health, and health and hospital services at Seed and Series A stages.
  • Deerfield’s current investment page says it invests across therapeutics, medical devices, healthcare services, diagnostics, and digital health, and across the capital structure from early-stage startup to mature public or private company.

Notable Investments

  • Caris Life Sciences — AI TechBio and precision medicine company; Braidwell led a $168 million private capital round announced April 7, 2025.
  • Relmada Therapeutics — Clinical-stage biotech focused on oncology and CNS indications; Braidwell participated in an oversubscribed $160 million PIPE announced March 9, 2026.
  • Proxima — AI drug discovery company working on proximity-based medicines; Braidwell participated in its $80 million seed financing announced January 13, 2026.
  • Day One Biopharmaceuticals — Pediatric and adult oncology company; Braidwell is tracked as a portfolio investor by CB Insights, and Servier completed its acquisition of Day One for approximately $2.5 billion on April 23, 2026.
  • Neomorph — Deerfield-backed company developing medicines against “undruggable” targets; Deerfield highlights it as an illustrative investment project.
  • Elion Therapeutics — Antifungal therapeutics company; Deerfield co-led or participated in an $81 million Series B in June 2024, according to public investment databases.

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