About Sanja Partalo
Sanja Partalo is co-founder and managing partner of S4S Ventures, an early-stage investor in marketing and advertising companies. She is also a director of Newton Research, which builds AI agents for marketing analytics. She serves on tvScientific’s board.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Sanja Partalo in the role, so the role may have started earlier or lasted longer.
Newton Research, Inc. Current
Director
2026 – Present · Needham, MA
Newton builds and trains AI agents that automate marketing analysis for media and advertising teams.
SV
S4S Ventures Current
Co-Founder, Managing Partner
TV
tvScientific Current
Board member
Key Colleagues at Startups
The people Sanja Partalo works with at each company, as listed on that company's latest Form D.
Newton Research, Inc. · Form D, Nov 9, 2026
John Hoctor
CEO & Founder, director
Matthew Emans
CTO & Founder, director
Kent Bennett
Director
IS
Ian Sigalow
Director
DE
David Eisenberg
Director