Sanja Partalo
InvestorManaging Partner at S4S Ventures
New York, New York
Writes $100K β $5M checks Β· typically $1.5M
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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
- S4S VenturesCo-Founder and Managing General Partnercurrent2022 β presentUnited States
- Stanhope Capital GroupPartner, Head of Private Equitycurrent2021 β presentGreater London, England, United Kingdom
- Inuvo, IncDirector Board of Directorscurrent2026 β presentArkansas, United States
- OlyzonBoard Member, Investorcurrent2026 β present
- ID5.ioBoard Member, Investorcurrent2024 β presentLondon Area, United Kingdom
- tvScientificBoard Member, Investorcurrent2024 β presentCalifornia, United States
- Newton ResearchInvestorcurrent2025 β presentNewton, Massachusetts, United States
- StitchIndependent Board Directorcurrent2024 β presentIndianapolis, Indiana, United States
- CambriBoard Observer, Investorcurrent2024 β presentHelsinki Metropolitan Area
- Beam ImpactBoard Observercurrent2024 β presentNew York, United States
- ProvenanceBoard of Directorscurrent2024 β presentLondon Area, United Kingdom
- TracerBoard of Directorscurrent2023 β presentNew York City Metropolitan Area
- 4.screenBoard of Directorscurrent2023 β presentMunich, Bavaria, Germany
- A-Frame BrandsBoard Observer, Investorcurrent2023 β presentLos Angeles Metropolitan Area
- TenovosBoard of Directorscurrent2022 β presentNew York City Metropolitan Area
- Kauffman FellowsKauffman Fellow (Class of 30)current2025 β presentUnited States
- Columbia Business SchoolAdjunct Professor, Marketing, Media & Technologycurrent2015 β presentGreater New York City Area
- Captiv8Board of Directors2022 β 2025California, United States
- Human Rights FirstBoard of Directors, Chair Emeritus2019 β 2024Washington D.C. Metro Area
- The MightyBoard Of Directors2018 β 2022California, United States
- SubvrsiveBoard of Directors2018 β 2022Austin, Texas Metropolitan Area
- WPPExecutive Vice President, Global Head of Strategic Development & Partnerships2016 β 2021New York City Metropolitan Area
- Within (VR/AR)Investor2016 β 2021Los Angeles Metropolitan Area
- FatherlyBoard of Directors2017 β 2020New York City Metropolitan Area
- Gimlet MediaBoard Observer, Investor2017 β 2019Brooklyn, NY
- WorkTango Inc.Board Of Directors2017 β 2018Austin, Texas Area
- IndependentManagement Consultant2016
- 360iVice President, Marketing & Emerging Media2013 β 2016New York, NY
- Johannes LeonardoDirector, Brand Strategy2012 β 2013New York, NY
- WPPExecutive Leadership Program2011 β 2013New York, NY
- Young & RubicamDirector, Global Brand Strategy2011 β 2012New York, NY
- GenentechMarket Planning (MBA Associate)2010San Francisco Bay Area
- D.C. Department of Human ServicesChief Operating Officer2008 β 2009Washington, DC
- D.C. Department of HealthChief of Staff2006 β 2008Washington, DC
- Office of Chairman Phil Mendelson, Council of the District of ColumbiaSenior Legislative Analyst2003 β 2006
Skills & more
+12 more
AnalyticsCompetitive AnalysisMarket ResearchDigital StrategyBusiness DevelopmentSegmentationBrand ArchitectureCreative DirectionSEOSEMCustomer InsightDigital MediaLanguages Bosnian Β· Italian Β· Serbian
From Sanja's professional profile.
Deals Β· 2
TenovosBoard seat
via S4S Ventures Β· filed Nov 2022 Β· $10M raise
IR Media VenturesBoard seat
via S4S Ventures Β· filed Mar 2019 Β· $5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at S4S Ventures
Frequently asked questions
- Who is Sanja Partalo?
- 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.
- 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 β $5M.
- What boards does Sanja Partalo sit on?
- Sanja Partalo holds tracked board seats at IR Media Ventures, Tenovos.
- Where did Sanja Partalo go to school?
- Sanja Partalo studied at Columbia Business School (Master of Business Administration (MBA)); The George Washington University (B.A. magna cum laude, International Affairs & Economics).
Same school
Also attended Columbia Business School991
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Also attended The George Washington University303
+ 297 more
Shared employers
Also worked at Olyzon2
Also worked at ID5.io4
Also worked at Kauffman Fellows406
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