Ian Sigalow

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Ian is a Partner and Co-Founder of Greycroft LLC. Over the past ten years Ian has led numerous investments for Greycroft, including the firm’s investments in Buddy Media (acquired by Salesforce.com), Braintree (acquired by eBay), Venmo (acquired by Braintree), and Vizu (acquired by Nielsen).


Prior to joining Greycroft, Ian founded StrongData Corporation, a pioneer in payment encryption, and spent several years as a venture capitalist with Boston Millennia Partners, where he focused on the software, wireless, and Internet sectors.


Ian’s past experience also includes investment banking in the technology group at Donaldson, Lufkin, and Jenrette and strategy consulting with the Arnold Business Strategy Group.



Ian holds a BS in Economics from the Massachusetts Institute of Technology and an MBA from Columbia University Graduate School of Business.

Co-Founder and Partner
Greycroft
September 2019 - Present (2 years 4 months)

Co-Founder and Partner
Greycroft
May 2016 - September 2019 (3 years 4 months)