Ryan Kruizenga is a General Partner at Arthur Ventures. He previously worked at Mainsail Partners, Summit Partners, and Piper Jaffray.
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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.
Send your deckRyan Kruizenga is a General Partner at Arthur Ventures. He previously worked at Mainsail Partners, Summit Partners, and Piper Jaffray.
Arthur Ventures has not reported a check size. It invests at series a.
A warm intro from a founder Arthur Ventures backed works best. A short LinkedIn note with one line on traction is the next best route.
Piper Jaffray; Summit Partners; Mainsail Partners.
Last updated 2026-10-15. Is this you? Ask for a correction.