Ryan Dammeyer is a Partner at Open Prairie, advising on debt and equity financing. He has nearly 20 years of experience in structured finance and capital solutions.
What Ryan can write
Open Prairie writes $1M to $10M checks, larger than 83% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Open Prairie.Career
- Silicon Valley Bank
- Liquidus Marketing · Chief Financial Officer
- NewStream Capital · Director
- Square 1 Bank, a division of PacWest Bank · Managing Director and Head of Structured Finance
- Open Prairie · PartnerNow
- Silicon Valley Bank
- Square 1 Bank · Managing Director and Head of Structured Finance
Focus
Education
Also at Open Prairie
Partners like Ryan
At firms with a similar stage, sector and check size.
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One email when Ryan's firm raises a fund, adds a partner or shows new activity.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Who is Ryan Dammeyer?
Ryan Dammeyer is a Partner at Open Prairie, advising on debt and equity financing. He has nearly 20 years of experience in structured finance and capital solutions.
How much does Ryan Dammeyer invest?
Ryan Dammeyer invests through Open Prairie, which writes checks of $1M to $10M at series a, series b.
How do I pitch Ryan Dammeyer?
A warm intro from a founder Open Prairie backed works best.
What did Ryan Dammeyer do before Open Prairie?
Silicon Valley Bank; Chief Financial Officer at Liquidus Marketing; Director at NewStream Capital; Managing Director and Head of Structured Finance at Square 1 Bank, a division of PacWest Bank; Silicon Valley Bank; Managing Director and Head of Structured Finance at Square 1 Bank.
Last updated 2026-10-15. Is this you? Ask for a correction.