Mario Stefanidis
Mario Stefanidis is a senior analyst at North Island Ventures, researching public fintech and technology companies. He previously held research roles at Artemis, BlackRock, and Roundhill Investments.
What Mario can write
North Island Ventures writes $250K to $3M checks, larger than 33% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: North Island Ventures.Career
- BlackRock · strategist on the fixed income team
- Roundhill Investments · VP of Research
- Artemis · led fundamental research
- North Island Ventures · Senior AnalystNow
Focus
Education
Also at North Island Ventures
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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.
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Who is Mario Stefanidis?
Mario Stefanidis is a senior analyst at North Island Ventures, researching public fintech and technology companies. He previously held research roles at Artemis, BlackRock, and Roundhill Investments.
How much does Mario Stefanidis invest?
Mario Stefanidis invests through North Island Ventures, which writes checks of $250K to $3M at pre-seed, seed.
How do I pitch Mario Stefanidis?
Email [email protected], the firm's inbox for founders, and name Mario in the subject. A warm intro from a founder North Island Ventures backed works better.
What did Mario Stefanidis do before North Island Ventures?
strategist on the fixed income team at BlackRock; VP of Research at Roundhill Investments; led fundamental research at Artemis.
Last updated 2026-10-15. Is this you? Ask for a correction.