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Kirk Posmantur

Investor

Chief Partnership Officer, Board Member, Founder at 25Madison · Chairman of the Board at Black Mountain Investment Group

Flatiron, NYC and Del Mar, CA (bicoastal)

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About

Kirk Posmantur works at 25Madison, where he supports entrepreneurs in building and scaling their business concepts by working directly with founders and brands and connecting them to the firm's global network. His career has centered on connecting people, brands, and platforms to form partnerships.

Invests in

AI & Machine LearningConsumerEnterprise SoftwareHealthtechSaaS

Deals · 1

Skylark Travel GroupBoard seat

via 25Madison · filed Oct 2024 · $1.6M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Investor

Flexport

Sources: SEC Form D filings · curated public sources.

Colleagues at 25Madison

Aaron Sobel
Board Member, Partner (Apollo Private Equity), Board Member (Cox Media Group), Board Member (Rackspace) at 25Madison
Alison McGuire
Controller at 25Madison
Anna Vardanyan
Executive Assistant & Office Manager at 25Madison
Ava Forte
Chief of Staff at 25Madison
Avery Hill
Associate at 25Madison
Ben Goldstein
Associate at 25Madison
Bobby Tuohy
Director of Product (Flashpoint), Venture Partner (First In Ventures), Head of Product (Echosec) at 25Madison
Calista Reyes
Associate at 25Madison

Frequently asked questions

Who is Kirk Posmantur?
Kirk Posmantur works at 25Madison, where he supports entrepreneurs in building and scaling their business concepts by working directly with founders and brands and connecting them to the firm's global network. His career has centered on connecting people, brands, and platforms to form partnerships.
Where does Kirk Posmantur work?
Kirk Posmantur is Chief Partnership Officer, Board Member, Founder at 25Madison and Chairman of the Board at Black Mountain Investment Group.
What does Kirk Posmantur invest in?
Kirk Posmantur invests in AI & Machine Learning, Consumer, Enterprise Software, Healthtech, SaaS.
What boards does Kirk Posmantur sit on?
Kirk Posmantur holds tracked board seats at Skylark Travel Group.
What companies has Kirk Posmantur invested in?
Investments tracked here include Flexport.

About this profile. Compiled from public sources — 25Madison's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights