J4 Ventures — 2025 Investments
3 investments dated 2025 · listed companies and verified rows first · show all
Ethosphere is a privacy-first platform that records and analyzes in-person, customer-facing conversations on the retail sales floor to generate coaching feedback for associates, action steps for managers, and fleet-wide performance insights for brands.
AI & Machine LearningHR TechRetail TechSeattle, US
Co-investorsAllen Institute for AI (AI2) IncubatorPoint72 VenturesAI2 IncubatorHike Ventures
Hearvana is developing acoustic intelligence technology aimed at enhancing listening capabilities for both humans and machines.
AI & Machine LearningDeep TechHardware
Shyam Gollakota(Founder)Malek Itani(Founder)inTuochao Chen(Founder)
Co-investorsAllen Institute for AI (AI2) IncubatorAscend Venture CapitalPoint72 VenturesSCB 10XAI2 IncubatorAmazon Alexa Fund+5 more
Sonar provides 24/7 text-based wellbeing coaching and care navigation for youth, using trained human coaches supported by AI tools to surface context and flag risk.
Digital HealthHealthtechMental Health
Drew Barvir(Founder)inGabriel Moynihan
Co-investors500 GlobalInformed Ventures Advisors, LlcMaccabee VenturesNina CapitalThe MBA FundGSR Ventures
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.

