Where does Ian Sigalow work?

Ian Sigalow is Founder of Greycroft and Co-Founder & Managing Partner at Greycroft and Board director at Newton Research and Board director at Landing Holdings Inc. and Board director at Ergatta.

What check size does Ian Sigalow write?

Ian Sigalow typically writes checks of $500K – $30M.

What boards does Ian Sigalow sit on?

Ian Sigalow holds tracked board seats at 7hops.com, Inc., Amplify Life Insurance Co, Branch Financial, Inc., ClosedLoop, COLLECTIVE INC, Curisium, Data Plus Math, Ergatta, Fetch Rewards, Landing Holdings Inc..

What companies has Ian Sigalow invested in?

Investments tracked here include Braintree, Bright Health Group, Buddy Media, Data Plus Math, Extreme Reach, Plated, Shipt, Venmo, WorkFusion, Curisium, Fetch, Flutterwave, and 8 more.

Where did Ian Sigalow go to school?

Ian Sigalow studied at Massachusetts Institute of Technology (Bachelor of Science - SB); Columbia Business School (MBA).

Does Ian Sigalow lead rounds?

Yes — Ian Sigalow has led 9 tracked investments.

Ian Sigalow

InvestorFounder

Co-Founder & Managing Partner at Greycroft · Board director at Newton Research · Board director at Landing Holdings Inc. · Board director at Ergatta

New York, NY

Writes $500K – $30M checks · typically $25M

FoundedGreycroft

About

Ian Sigalow co-founded Greycroft in 2006 and is its Managing Partner in New York, guiding investment strategy with a recent focus on AI. He previously founded StrongData, a payment encryption startup, and began his VC career at Boston Millennia Partners. He holds a BS from MIT and an MBA from Columbia Business School.

Invests in

AdTechAI & Machine LearningDirect to ConsumerEnterprise SoftwareFintechHealthtechSaaS

Board director at Newton Research

Intro paths

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In turn, Ian can intro founders to Newton Research's investors below.

Newton Research's investors · 2

Bessemer Venture PartnersRedwood City · $5M – $100M checks GreycroftNew York · $100K – $5M checks · since 2025

Co-founders at Newton Research

Matthew EmansExecutive Officer, Director

Steven BennettFounder

Board director at Landing Holdings Inc.

Intro paths

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In turn, Ian can intro founders to Landing Holdings Inc.'s investors below.

Landing Holdings Inc.'s investors · 2

GreycroftNew York · $100K – $5M checks · since 2022 HVL InnovateBirmingham · since 2024

Co-founders at Landing Holdings Inc.

Bill I SmithExecutive Officer, Director

Board director at Ergatta

Intro paths

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In turn, Ian can intro founders to Ergatta's investors below.

Ergatta's investors · 8

Advance Venture PartnersSan Francisco · $10M – $25M checks Fifth WallLos Angeles · $250K – $100M checks Flucas VenturesJupiter · $100K – $5M checks GaingelsNew York · $200K – $500K checks GreycroftNew York · $100K – $5M checks · since 2020 Harris Blitzer Sports & EntertainmentCamden Ossian Capital TechstarsBoulder · $220K checks

Co-founders at Ergatta

Thomas Barclay AuletExecutive Officer, Director

Alessandra GotbaumExecutive Officer, Director

Tom AuletFounder

Experience

GreycroftCo-Founder and Managing Partnercurrent2006 — presentNew York, New York
FetchBoard Membercurrent2018 — presentMadison, Wisconsin Area
Sequen AIBoard Membercurrent2025 — presentNew York, NY
HealthVerityBoard Membercurrent2016 — presentGreater Philadelphia Area
PalmettoBoard Observercurrent2026 — presentCharlotte, NC
Public.comBoard Observercurrent2019 — presentNew York, New York
Newton ResearchBoard Membercurrent2023 — presentNewton, Massachusetts, United States
Pie InsuranceBoard Membercurrent2018 — presentWashington, District of Columbia, United States
FlutterwaveBoard Membercurrent2016 — presentLagos, Nigeria
LandingBoard Membercurrent2019 — presentBirmingham, Alabama, United States
Hippocratic AIInvestorcurrent2024 — presentPalo Alto, California, United States
ReflexivityBoard Membercurrent2020 — presentNew York, New York, United States
ClosedLoop.aiBoard Membercurrent2020 — presentAustin, Texas
BranchBoard Observercurrent2018 — presentColumbus, Ohio, United States
AliumBoard Membercurrent2023 — presentNew York, New York, United States
OvertimeBoard Observercurrent2017 — presentNew York, New York
StrongData CorporationCEO/Founder2004 — 2006
Boston Millennia PartnersAssociate2001 — 2004Boston, MA

Education

Massachusetts Institute of TechnologyBachelor of Science - SB1997 — 2001
Columbia Business SchoolMBA2004 — 2006

Skills & more

Venture Capital99Business Development99Entrepreneurship99Start-ups87Strategy80Strategic Partnerships56E-commerce28Corporate Development27Mobile Devices21Business Strategy19Deal Sourcing17Analytics19

+12 more

CRMInvestmentsFundraisingMergers & AcquisitionsJoint VenturesWeb AnalyticsEntrepreneurial FinanceProduct ManagementSalesforce.comSaaSPrivate EquityLeadership

From Ian's professional profile.

Deals · 19

Landing Holdings Inc.Board seat

via Greycroft · filed Apr 2024 · $30M raise

Amplify Life Insurance CoBoard seat

via Greycroft · filed Jun 2022 · $10.1M raise

Branch Financial, Inc.Board seat

via Greycroft · filed May 2022

PetChiBoard seat

via Greycroft · filed Apr 2022 · $44M raise

Fetch RewardsBoard seat

via Greycroft · filed Apr 2022 · $300M raise

press ↗

PETABYTE TECHNOLOGY INC.Board seat

via Greycroft · filed Jul 2021 · $18M raise

CurisiumBoard seat

via Greycroft · filed Jul 2021 · $100M raise

Longtail AD SolutionsBoard seat

via Greycroft · filed Jun 2021 · $54.5M raise

MercatoBoard seat

via Greycroft · filed Mar 2021 · $29.6M raise

RooBoard seat

via Greycroft · filed Jan 2020 · $10M raise

Verse TechnologiesBoard seat

via Greycroft · filed Aug 2018 · $2M raise

Pie InsuranceBoard seat

via Greycroft · filed Aug 2018 · $11M raise

Data Plus MathBoard seat

via Greycroft · filed Apr 2018 · $4.5M raise

COLLECTIVE INCBoard seat

via Greycroft · filed Jan 2018 · $14.5M raise

ResonateBoard seat

via Greycroft · filed Oct 2017 · $11M raise

ShiptBoard seat

via Greycroft · filed Jun 2017 · $40M raise

press ↗

7hops.com, Inc.Board seat

via Greycroft · filed Oct 2015 · $3.3M raise

VenmoLed round

via Greycroft

WorkFusionLed round

via Greycroft

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Led

BraintreeBright Health GroupBuddy MediaExtreme ReachPlated

Board seats

ClosedLoop Ergatta Newton Research

Investor

FetchFlutterwave Hidden Road Hippocratic AI Landing Newton ResearchPublic.comReflexivitySequen AI

Sources: the firm's website · SEC Form D filings.

Colleagues at Greycroft

Aaron Athanas

People Operations Associate at Greycroft

Adam Boutin

Partner at Greycroft

Addie Ewald

Investor at Greycroft

Alaina Hartley

Principal at Greycroft

Alex Constantinople

Chief Marketing Officer at Greycroft

Allison Beck

Head of Events & Foundation at Greycroft

Andrew Scott

Senior Finance Manager at Greycroft

Andrew Ying

Investor at Greycroft

Frequently asked questions

Who is Ian Sigalow?: Ian Sigalow co-founded Greycroft in 2006 and is its Managing Partner in New York, guiding investment strategy with a recent focus on AI. He previously founded StrongData, a payment encryption startup, and began his VC career at Boston Millennia Partners. He holds a BS from MIT and an MBA from Columbia Business School.
Where does Ian Sigalow work?: Ian Sigalow is Founder of Greycroft and Co-Founder & Managing Partner at Greycroft and Board director at Newton Research and Board director at Landing Holdings Inc. and Board director at Ergatta.
What does Ian Sigalow invest in?: Ian Sigalow invests in AdTech, AI & Machine Learning, Direct to Consumer, Enterprise Software, Fintech, Healthtech, SaaS.
What check size does Ian Sigalow write?: Ian Sigalow typically writes checks of $500K – $30M.
What companies did Ian Sigalow found?: Ian Sigalow founded Greycroft.
What boards does Ian Sigalow sit on?: Ian Sigalow holds tracked board seats at 7hops.com, Inc., Amplify Life Insurance Co, Branch Financial, Inc., ClosedLoop, COLLECTIVE INC, Curisium, Data Plus Math, Ergatta, Fetch Rewards, Landing Holdings Inc..
What companies has Ian Sigalow invested in?: Investments tracked here include Braintree, Bright Health Group, Buddy Media, Data Plus Math, Extreme Reach, Plated, Shipt, Venmo, WorkFusion, Curisium, Fetch, Flutterwave, and 8 more.
Where did Ian Sigalow go to school?: Ian Sigalow studied at Massachusetts Institute of Technology (Bachelor of Science - SB); Columbia Business School (MBA).
Does Ian Sigalow lead rounds?: Yes — Ian Sigalow has led 9 tracked investments.