Harrison Valner

Harrison Valner

Managing Partner atSeaside VenturesTexas

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.

What Harrison can write

Writes checks ofNot reported
Comes in atPre-seed, Seed, Series ALead preference not reported
Email the firm[email protected]The firm's own inbox for founders.

Career

  1. Seaside · Managing Partner
    Now
  2. Seaside Ventures · Managing Partner
    Now

Investments named in public bios

StriveKetoneIQBiomeSenseCirculate HealthRorraAdaptyxPaterna BiosciencesCalorifySomneeZBioticsSuperpowerUnlockedPlan ASamphire NeurosciencePangea BioLifeforce

Focus

operationslogisticsproduct developmentconsumer healthnetwork expansion

Also at Seaside Ventures

Partners like Harrison

At firms with a similar stage, sector and check size.

Alert me when Seaside Ventures is active

One email when Harrison's firm raises a fund, adds a partner or shows new activity.

Founders and investors at a Mode VC gathering

Send Mode VC your deck

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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Questions

Who is Harrison Valner?

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.

How much does Harrison Valner invest?

Seaside Ventures has not reported a check size. It invests at pre-seed, seed, series a.

How do I pitch Harrison Valner?

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.