Rincon Venture Partners

Investment decisions at Rincon Venture Partners are led by its two Co-Founders and Managing Partners, John Greathouse and Jim Andelman. Greathouse is a former entrepreneur who co-founded RevUpNet and teaches at UC Santa Barbara, while Andelman previously invested at the Bonham Group's venture arm. The firm operates with a flat partnership structure, meaning both partners are active on deals rather than delegating to a junior investment committee. No additional investment partners have been publicly named.

Rincon sources the majority of its deal flow through the deep local networks of its partners in Southern California's coastal tech ecosystem. John Greathouse's role as a senior lecturer at UC Santa Barbara has historically provided early access to technical talent spinning out of the university. The firm's geographic focus from Santa Barbara to Los Angeles gives it a proprietary view of a region that produces substantial engineering talent from Caltech, UCLA, and UC Santa Barbara, often seeing startups before they formally market to Sand Hill Road. This operator-led, relationship-based sourcing is the firm's central distribution channel, rather than aggregator platforms or banker-led processes.

Rincon Venture Partners does co-invest alongside other venture firms, often as a co-lead or lead in its targeted seed and Series A rounds. The firm's public fund materials have presented it as a collaborative capital partner willing to syndicate, particularly with other early-stage funds that share its geographic or sector thesis. Specific co-investor names from recent rounds are not broadly published, though the firm's network in Southern California places it alongside regional funds and a few Bay Area crossover investors. Rincon does not promote a dedicated co-investment vehicle for limited partners.