Harrison Valner leads external engagement at Seaside, focusing on founder and investor relationships. He supports portfolio companies in operations, logistics, and product development, and has experience in consumer health products.
At firms with a similar stage, sector and check size.
One email when Harrison's firm raises a fund, adds a partner or shows new activity.

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 deckHarrison Valner leads external engagement at Seaside, focusing on founder and investor relationships. He supports portfolio companies in operations, logistics, and product development, and has experience in consumer health products.
Seaside Ventures has not reported a check size. It invests at pre-seed, seed, series a.
Email [email protected], the firm's inbox for founders, and name Harrison in the subject. A warm intro from a founder Seaside Ventures backed works better.
Last updated 2026-10-15. Is this you? Ask for a correction.