Marvin is presently an angel investor but was formerly a Partner at Venture Capital Fund 500 Startups, running the SF based accelerator program as well as investing in Seed stage startups. He Invests in Digital Media, Enterprise SAAS, Marketplace, Mobile, AdTech/MarketingTech, Digital Health, Internet of Things & Fintech startups.

Marvin presently serves on the boards/advisory boards of several internet advertising and ad technology companies across the globe.