Diadem Capital is an operator-led fund. Based in Buffalo, New York, United States.
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Investment focus
- Focus
- Dealflow-as-a-ServiceOutsourced Platform
Who to pitch at Diadem Capital
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About Diadem Capital
The firm's listing covers focus areas Dealflow-as-a-Service and Outsourced Platform; listed stages are Growth, Pre-Seed and Seed.
The contact to approach at Diadem Capital is Stephanie A. Rieben-de Roquefeuil (Co-Founder & CEO).
Frequently asked questions
What is Diadem Capital?
Diadem Capital is an operator-led fund based in Buffalo, New York, United States, with no portfolio on file. This page carries what the database does hold: investor type, focus areas, stages and the one person attached to it.
What does Diadem Capital invest in?
Listed focus areas include Dealflow-as-a-Service and Outsourced Platform. There are no deals behind these tags: the database holds no portfolio for the firm, so they come from its own public description.
What stage does Diadem Capital invest at?
Diadem Capital is listed for Growth, Pre-Seed and Seed rounds in the database. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Diadem Capital?
One person at Diadem Capital is on file, listed as a contact for the firm, with their own profile page.
How do I contact Diadem Capital?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The one person attached to the firm has their own page, which shows whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal