Jonathan Mariner

Jonathan Mariner

Active Investor

Board Member at TaxDay

Florida

Jonathan Mariner, Board Member at TaxDay is an active investor based in Florida. This profile covers what Jonathan Mariner backs, at which stage, and how founders can reach out in 2026.

Investor type
Angel
Stages
Pre SeedSeed
Invests in
SaaS & EnterpriseConsumer & RetailConsumer Goods (CPG)Sports & Fitness
Location
Florida
Typical check
$150K
Past investments
8

Notable investments

RightEyeLLCCareWearElMindABlazeNow Evergreen Systems IncKairosBEAM AuthenticMPOWERDFixt

How to reach Jonathan Mariner

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Frequently Asked Questions

What does Jonathan Mariner invest in?

Jonathan Mariner invests in SaaS & Enterprise, Consumer & Retail, Consumer Goods (CPG) and Sports & Fitness, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.

How do I contact Jonathan Mariner?

Unlock Jonathan Mariner's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

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