Zach Weinberg is a General Partner at Operator Partners. He co-founded Flatiron Health and Invite Media, and has invested in numerous technology startups as an angel investor.
What Zach can write
Operator Partners writes $250K to $1M checks, larger than 33% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Operator Partners.Career
- Flatiron Health · co-founder, president and COO
- Invite Media · co-founder, president and COO
- Operator Partners · General PartnerNow
Companies founded
Investments named in public bios
Focus
Education
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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 Zach Weinberg?
Zach Weinberg is a General Partner at Operator Partners. He co-founded Flatiron Health and Invite Media, and has invested in numerous technology startups as an angel investor.
How much does Zach Weinberg invest?
Zach Weinberg invests through Operator Partners, which writes checks of $250K to $1M at pre-seed, seed, series a, series b.
How do I pitch Zach Weinberg?
A warm intro from a founder Operator Partners backed works best. A short LinkedIn note with one line on traction is the next best route.
What did Zach Weinberg do before Operator Partners?
co-founder, president and COO at Flatiron Health; co-founder, president and COO at Invite Media.
Last updated 2026-10-15. Is this you? Ask for a correction.