Sarah Fay
InvestorFounderManaging Director at Glasswing Ventures · Board director at Labviva · Board director at Socialflow
Boston, Massachusetts
Writes $100K – $5M checks · typically $1.5M
FoundedLabvivaSocialflow
About
Sarah Fay serves as Non-Executive Board Chair of Ziff Davis and has held board positions at numerous technology and digital media companies, several of which were subsequently acquired. From 1998 to 2009, she held executive roles at Aegis Media North America, including CEO and president of its largest divisions, where she oversaw six acquisitions and integrated digital marketing with traditional media services. Since 2016, she has been an investor in early-stage artificial intelligence companies through her partnership at Glasswing Ventures and is active in ESG, diversity, and equity initiatives through her work with organizations including PRI and All Raise.
Board director at Labviva
Intro paths
In turn, Sarah can intro founders to Labviva's investors below.
Labviva's investors · 6
Co-founders at Labviva

Board director at Socialflow
Intro paths
In turn, Sarah can intro founders to Socialflow's investors below.
Socialflow's investors · 2
Co-founders at Socialflow
Experience
- Ziff DavisChair Of The Board Of Directorscurrent2018 — presentGlobal
- All RaiseSteering Committee Co-Lead, Boston Chapter2019 — 2023Boston, Massachusetts, United States
- Narrative I/OMember Board Of Directors2019 — 2023New York, New York, United States
- Glasswing VenturesPartner2016 — 2023Boston
- LabvivaMember Board Of Directors2019 — 2023Boston, Massachusetts, United States
- Self-employedFree Agent2009 — 2016Greater Boston Area
- Aegis Media North AmericaCEO2008 — 2009
- IsobarPresident2006 — 2008
- Carat InteractivePresident2000 — 2005
- Carat FreemanManaging Director1996 — 2000
- Miller FreemanEast Coast Regional Manager1988 — 1993
- M&T PublishingEast Coast Regional Manager1986 — 1993
Education
- University of Vermont1980 — 1984
Skills & more
+12 more
SEMIntegrated MarketingAdvertising SalesAnalyticsStart-upsStrategic PartnershipsSocial NetworkingContent StrategyLeadershipStrategic PlanningMarketing StrategyMobile AdvertisingFrom Sarah's professional profile.
Deals · 1
SocialflowBoard seat
via Glasswing Ventures · filed Jul 2015 · $10M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Glasswing Ventures
Network1
Investors connected to Sarah in public investor directories — a warm-intro map.
Frequently asked questions
- Where does Sarah Fay work?
- Sarah Fay is Managing Director at Glasswing Ventures and Founder at Labviva and Founder at Socialflow.
- What check size does Sarah Fay write?
- Sarah Fay typically writes checks of $100K – $5M.
- What companies did Sarah Fay found?
- Sarah Fay founded Labviva, Socialflow.
Same school
Also attended University of Vermont54
+ 48 more
Shared employers
Also worked at All Raise49
+ 43 more
Also worked at Narrative I/O6
Also worked at Glasswing Ventures17
+ 11 more


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