Ian Sigalow co-founded Greycroft in 2006 and serves as Managing Partner in New York. He has invested in digital economy and AI companies, with prior roles at StrongData and Boston Millennia Partners.
What Ian can write
Greycroft writes $500K to $10M checks, larger than 71% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Greycroft.Career
- Boston Millennia Partners · venture capital
- StrongData · founder
- Greycroft · Co-Founder & Managing PartnerNow
- Boston Millennia Partners
- StrongData
Companies founded
Investments named in public bios
Focus
Education
Also at Greycroft
Partners like Ian
At firms with a similar stage, sector and check size.
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One email when Ian's firm raises a fund, adds a partner or shows new activity.
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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 Ian Sigalow?
Ian Sigalow co-founded Greycroft in 2006 and serves as Managing Partner in New York. He has invested in digital economy and AI companies, with prior roles at StrongData and Boston Millennia Partners.
How much does Ian Sigalow invest?
Ian Sigalow invests through Greycroft, which writes checks of $500K to $10M at seed, series a.
How do I pitch Ian Sigalow?
Email [email protected], the firm's inbox for founders, and name Ian in the subject. A warm intro from a founder Greycroft backed works better.
What did Ian Sigalow do before Greycroft?
venture capital at Boston Millennia Partners; founder at StrongData; Boston Millennia Partners; StrongData.
Last updated 2026-10-15. Is this you? Ask for a correction.