Investing Profile

Ian Sigalow

VCInvestor
Co-Founder and Partner at Greycroft
Photo of Ian Sigalow, Partner at Greycroft

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Massachusetts Institute of Technology Network
249 CONNECTIONS
Columbia Business School Network
107 CONNECTIONS
Greycroft Network
16 CONNECTIONS
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Greycroft Partner
$500K - $50.0M
$25.0M
17
$980M
CompanyStageDateRound SizeTotal Raised
Sequen
Series AMar 2026$16M
SeedMay 2025
$16M
Co-investors: Lisa Xu (FirstMark Capital), Wesley Barrow (Correlation Ventures), Eddie Lee (White Star Capital)
Newton Research
Series AMay 2025$9M
$9M
Pensero AI
Pre SeedMay 2024$2M
$8M
Co-investors: SC Moatti (Mighty Capital), Inaki Berenguer (LifeX Ventures), Victor Drault (Breega), Avi Meir
Knock
Series UnknownMar 2022$70M
$560M
Co-investors: Seth Levine (Foundry Group), Vik Chawla (Fifth Wall), Gaurav Jain (Founder Collective), Guimar Vaca Sittic (FJ Labs), Raju Rishi (RRE Ventures), Dave Garland (Second Century Ventures), Scott Jacobson (Madrona Ventures), David Sacks (Craft Ventures), Sean Whitney (Craft Ventures), Scott Belsky (A24), Kevin Ryan (AlleyCorp), Guillermo Rauch, Adam Gross
Amplify Life Insurance
Series AJan 2022$12M
$42M
Co-investors: Amy Nauiokas (Anthemis Group), David Silverman (Crosslink Capital)
Humming Homes
SeedOct 2021$8M
$8M
Co-investors: David Shapiro (Alumni Ventures ), Abby Miller Levy (Primetime Partners), Jarrid Tingle (Harlem Capital)
Medly Pharmacy
Series BJul 2020$100M
$100M
Co-investors: Larry Cheng (Volition Capital)
Public.com
Series BMar 2020$15M
$80M
Co-investors: Nina Faulhaber (ADAY), Will Smith (Dreamers VC), Keisuke Honda (Dreamers VC), Jason Ostheimer (Advancit Capital), Sameer Gandhi (Accel Partners), Scott Belsky (A24), Ian Rountree (Cantos Ventures), Casey Neistat
Co-Founder and Partner Greycroft2006 - Present
CEO/Founder StrongData Corporation2004 - 2006
Associate Boston Millennia Partners2001 - 2004
Columbia Business School MBA Business
Massachusetts Institute of Technology BS Economics