25madison
New York City, New York25madison.com
Overview
25madison is a venture platform and investment firm that incubates and invests in early-stage startups across healthcare, supply chain, artificial intelligence, and B2B software sectors.
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Century Health | May 2026 | Seed | Co-investor |
| Ranger AI | May 2026 | Seed | Co-investor |
| Ranger RFX | May 2026 | Seed | Co-investor |
| Ranger RFX | Apr 2026 | Seed Round | Co-investor |
| Kyra Health | Apr 2026 | Seed | Co-investor |
Key People
Grant Silow
Founder, General Partner - 25m Core
John Stephen Daly
Co-Founder
Kirk Posmantur
Chief Partnership Officer, Board Member, and Founder
Matt Fremont-Smith
President, Co-founder
Michael Gu
Founder In Residence
Michael Lynton
Chairman of Board of Directors and Founder
Merrill Anovick
General Partner
Jaja Liao
Partner
Jamie Brown
Partner
sanford william spivey
Partner Head Of Studio, Supply Chain
Charlotte Meyers
Building & Investing
Oluwadurotimi Odukale
Investing And Building
Sofi Tzouanakis
Investor Relations
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
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