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  3. /Greg Rosenthal
  4. /Briefing
Pre-Pitch Briefing

Greg Rosenthal

Principal at North Island Ventures

Check size: $500K–$5M for early-stage companies, published on NIV's current portfolio page. This is a firm range, not a personal signing limit or promise from Greg.

Early StagePre-SeedSeedSeries AAgentic FinanceStablecoinsOnchain Capital MarketsOpen AIPrivate AIPermissionless ComputeNew MarketsFrontier InstitutionsConsumer CryptoMedia and Distribution

Their Thesis

Greg invests within NIV's enabling-technology thesis: as AI makes intelligence abundant, back the scarce complements that compound—financial rails for machines, sovereignty over assets and data, trusted distribution, physical infrastructure and hard-to-replicate institutions. His Galaxy investing and entertainment operating experience provide a lens on crypto markets, consumer attention and distribution, but no individual sector mandate is publicly stated.

How to Pitch Them

Contact NIV through a verified firm channel. State the enabling technology, the newly possible product and what remains scarce when intelligence becomes cheap. Quantify early user or revenue evidence and explain the compounding asset—liquidity, integration, trust, distribution, data rights, community or physical network. Make the founder mission personal and demonstrate the three I's through specific choices and endurance rather than adjectives.

What Excites Them

NIV explicitly seeks missionary, non-consensus founders with its three I's: extraordinary intelligence, sustained intensity and unquestionable integrity. It wants ultra-high-purpose teams using a new enabling technology to create products that were previously impossible, especially where a scarce resource, trusted network, sticky integration or physical institution can compound despite falling software costs.

What They Pass On

No Greg-specific pass list is public. NIV's published thesis implies a pass on consensus trend-following without a non-consensus conviction, founders lacking integrity or sustained intensity, AI wrappers with no scarce complement, closed systems that unnecessarily concentrate control, products with no credible path to economic freedom or efficiency and opportunities that do not justify an early-stage $500K–$5M venture check.

Key Frameworks

Abundance-versus-scarcity map

Identify what AI makes nearly free, then underwrite the complementary asset that remains scarce and compounds in value.

Three-I founder test

Evaluate extraordinary intelligence, sustained intensity and unquestionable integrity through a founder's decisions, pace, references and conduct.

Enabling-technology delta

Show which new capability makes the product possible now and why it could not be built or distributed equivalently before.

Missionary non-consensus test

Prefer founders with a personal, durable mission and a reasoned view that differs from consensus over opportunists following current capital flows.

North Island Ventures Portfolio

Top Sectors

Custody1
Infrastructure1

Stage Distribution

Series C1
Series A1
FireblocksCustody
Series C
AlchemyInfrastructure
Series A
Tech
Addressable
Bcbgroup
Bigtime
Blueprint
Bounce
Cedar
Dapperlabs

+ 37 more investments. View fund →

← Full profileLinkedInNorth Island Ventures website