Fundraising Fox

Sanja Partalo

Investor

Managing Partner at S4S Ventures

New York, New York

Writes $100K – $5M checks · typically $1.5M

About

Sanja Partalo is Co-Founder and Managing General Partner at S4S Ventures, a venture capital firm investing in early-growth stage companies in advertising, media, and applied AI. Previously, she served as Executive Vice President of Global Strategic Development & Partnerships at WPP, where she led partnerships with major technology platforms including Google, Meta, Adobe, and Amazon, and oversaw a multi-billion-dollar partnership portfolio. Partalo holds an MBA from Columbia Business School, where she teaches as an Adjunct Professor, and serves as a board director for venture-backed companies; her early investments have included companies acquired by Spotify, Meta, Epic Games, and Pinterest.

Experience

  1. S4S VenturesCo-Founder and Managing General Partnercurrent2022 — presentUnited States
  2. Stanhope Capital GroupPartner, Head of Private Equitycurrent2021 — presentGreater London, England, United Kingdom
  3. Inuvo, IncDirector Board of Directorscurrent2026 — presentArkansas, United States
  4. OlyzonBoard Member, Investorcurrent2026 — present
  5. ID5.ioBoard Member, Investorcurrent2024 — presentLondon Area, United Kingdom
  6. tvScientificBoard Member, Investorcurrent2024 — presentCalifornia, United States
  7. Newton ResearchInvestorcurrent2025 — presentNewton, Massachusetts, United States
  8. StitchIndependent Board Directorcurrent2024 — presentIndianapolis, Indiana, United States
  9. CambriBoard Observer, Investorcurrent2024 — presentHelsinki Metropolitan Area
  10. Beam ImpactBoard Observercurrent2024 — presentNew York, United States
  11. ProvenanceBoard of Directorscurrent2024 — presentLondon Area, United Kingdom
  12. TracerBoard of Directorscurrent2023 — presentNew York City Metropolitan Area
  13. 4.screenBoard of Directorscurrent2023 — presentMunich, Bavaria, Germany
  14. A-Frame BrandsBoard Observer, Investorcurrent2023 — presentLos Angeles Metropolitan Area
  15. TenovosBoard of Directorscurrent2022 — presentNew York City Metropolitan Area
  16. Kauffman FellowsKauffman Fellow (Class of 30)current2025 — presentUnited States
  17. Columbia Business SchoolAdjunct Professor, Marketing, Media & Technologycurrent2015 — presentGreater New York City Area
  18. Captiv8Board of Directors2022 — 2025California, United States
  19. Human Rights FirstBoard of Directors, Chair Emeritus2019 — 2024Washington D.C. Metro Area
  20. The MightyBoard Of Directors2018 — 2022California, United States

Education

  1. Columbia Business SchoolMaster of Business Administration (MBA)
  2. The George Washington UniversityB.A. magna cum laude, International Affairs & Economics

Skills & more

Venture CapitalPrivate EquityMergers & Acquisitions (M&A)Corporate Venture CapitalBoard LeadershipMarketing Strategy43Strategic Planning14Integrated Marketing29Digital Marketing29Strategy67Advertising40Business Strategy10
+12 moreAnalyticsCompetitive AnalysisMarket ResearchDigital StrategyBusiness DevelopmentSegmentationBrand ArchitectureCreative DirectionSEOSEMCustomer InsightDigital Media

Languages Bosnian · Italian · Serbian

From Sanja's professional profile.

Deals · 2

TenovosBoard seat

via S4S Ventures · filed Nov 2022 · $10M raise

IR Media VenturesBoard seat

via S4S Ventures · filed Mar 2019 · $5M raise

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

Colleagues at S4S Ventures

Nicky Sugarman
Investor at S4S Ventures
Noam Enk
Partner at S4S Ventures
Sir Martin Sorrell
Investor at S4S Ventures

Frequently asked questions

Where does Sanja Partalo work?
Sanja Partalo is Managing Partner at S4S Ventures.
What check size does Sanja Partalo write?
Sanja Partalo typically writes checks of $100K – $5M.

Same school

Also attended Columbia Business School638

Aryo TehranianManaging Director at Mayfair Equity PartnersYibo NianInvestment Director at Intel CapitalKesha CashFounder & General Partner at Impact America FundMahati SridharPartner, Rise of the Rest at RevolutionGiuseppe IademarcoHead of Global Partnership at P101 VenturesWendy XiaoPartner at Northzone

+ 632 more

Also attended The George Washington University177

RustyAdvisor at Clear VenturesDonna HoyleVice President & Controller at RevolutionMathew KayeAccounting Manager at RevolutionMeghan FahyDirector of Marketing at GreycroftMaurice RussoInvestor at Lerer HippeauZach CollinsPartner at Mission Biocapital

+ 171 more

Shared employers

Also worked at Olyzon1

Victor JollySenior Associate at Atomico

Also worked at ID5.io4

Adriaan Zur MuhlenManaging Partner at Progress VenturesJodi Sherman JahicManaging Partner at Aligned PartnersJoanna BurtonInvestor & Advisor at The 98Noam EnkPartner at S4S Ventures

Also worked at Kauffman Fellows366

Jenny LeeSenior Managing Partner at Granite AsiaTobi CokerDeal Partner at Felicis VenturesRoi Bar-KatManaging Director at Intel CapitalAvi BharadwajInvestment Director at Intel CapitalNick WashburnSenior Managing Director, Intel Capital (North America)Vinnie LauriaFounding Partner at Golden Gate Ventures

+ 360 more

Also worked at WorkTango Inc.4

Mike DoddGeneral Partner at Silverton PartnersBen TrybaVice President at Growth Street PartnersCaroline TarpeyManaging Director, Go-To-Market Strategy at Lead Edge CapitalRene StewartGeneral Partner at Vista Equity Partners