
MSIV is the regional venture capital fund backing Marin + Sonoma’s best startups
MSIV convenes founders, executives, and investors to ensure Marin + Sonoma has a robust entrepreneurial ecosystem.
MSIV portfolio companies are building the future of our community and our world.
-
Saving lives via quicker aerial first response
-
Ensuring communities adapt to wildfire risk
-
Revolutionizing B2B sales with AI superhumans
-
Democratizing access to financial planning
-
Modernizing how commercial construction builds
-
Cybersecurity for AI agentic communications
-
Credit union loan marketplace for consumers
-
Next-generation CPA advisory services
-
Personalized coaching in every employee's pocket
-
Changing how private companies are bought and sold
-
Taming vendor chaos using cost control AI
-
Ensuring safe and transparent product ingredients
-
Breaking up workplace silos
-
Clarity for B2B marketing efficacy

Thank you to our 2025 Sponsor Partners
-
Founding Partner
-
Platinum Partner
-
Platinum Partner
-
Gold Partner
-
Gold Partner
-
Gold Partner