Marin Sonoma Impact Ventures — Full Portfolio
4 tracked investments · listed companies and verified rows first
OLarry is an AI-powered tax advisory firm that serves high-net-worth individuals and businesses by automating tax preparation workflows and enabling CPAs to provide personalized tax planning advice.
AI & Machine LearningEnterprise SoftwareFintechSaaSMarin, US
Eric Rachmel(Co-founder and CEO)BeckyCorey
Co-investorsTTV CapitalWalkabout Ventures LlcMSIV
Lighthouse Pharmaceuticals develops precision therapeutics for major unmet medical needs, with a lead program (LHP588), a gingipain inhibitor being tested in the Phase 2 SPRING trial for P. gingivalis-positive Alzheimer's disease.
BiotechLongevityNovato, US
Casey Lynch(Executive Officer, Director, Promoter)inStephen Dominy(Director)
BoardCampbell Murray(Director)in
Operant provides security and governance controls for agentic AI systems and Model Context Protocol workflows, enforcing per-action authorization, privacy controls, and audit-ready evidence at the network layer for regulated enterprises.
AI & Machine LearningCybersecurityEnterprise SoftwareRohnert Park, US
Shounok Sinha(Director)David Bass(Executive Officer, Director)Keith Rose(Executive Officer, Director)Rod Sugiyama(Executive Officer)Randall King(Executive Officer, Director)Robert MacDonald(Executive Officer)
Co-investorsConstellation Technology VenturesMSIVThin Line Capital
Spindl provides attribution, analytics, audience-building, and advertising tools for onchain (crypto/Web3) applications, letting teams track user journeys from web clicks to onchain actions across chains.
AdTechCrypto & Web3Marketing Tech
Jon Wienner(Founder)in
Co-investorsBankless VenturesCoinbase VenturesConsenSys MeshFJ LabsMulticoin Capital7percent Ventures+15 more
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.













