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Ian Sigalow
Co-Founder & Managing Partner,
Greycroft
Ian Sigalow co-founded Greycroft in 2006 and serves as its Managing Partner in New York, where he helps guide the firm’s operations, investment strategy, and long-term vision.
At Greycroft, Ian has invested in high-growth companies across the digital economy, with a focus in recent years on the AI frontier. His current portfolio includes Fetch, Flutterwave, HealthVerity, Hidden Road, Hippocratic AI, Landing, Newton Research, Pie Insurance, Public.com, Reflexivity, and Sequen AI.
Over the past twenty years, Ian has led investments in category-defining businesses that scaled to acquisition or IPO, including Venmo, Braintree, Shipt, Buddy Media, Plated, Bright Health Group, WorkFusion, Extreme Reach, and Data Plus Math.
At Greycroft, Ian has invested in high-growth companies across the digital economy, with a focus in recent years on the AI frontier. His current portfolio includes Fetch, Flutterwave, HealthVerity, Hidden Road, Hippocratic AI, Landing, Newton Research, Pie Insurance, Public.com, Reflexivity, and Sequen AI.
Over the past twenty years, Ian has led investments in category-defining businesses that scaled to acquisition or IPO, including Venmo, Braintree, Shipt, Buddy Media, Plated, Bright Health Group, WorkFusion, Extreme Reach, and Data Plus Math.
Sessions
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10-Dec-2025Start-up & Investor VillagePortfolio Diversification in the AI Era
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