Joule Ventures

First-check partners for Israeli founders commercializing enterprise-grade solutions in U.S. markets.

We are day-one partners for Israeli entrepreneurs solving an array of problems in the enterprise world. Our focus on forming the right relationships and delivering tangible value cuts a clear path to accelerated U.S. commercialization for founders.

Joule Ventures (formerly Janvest Capital Partners) is a U.S.-based partner-only seed fund providing best-in-class structural and commercialization support to Israel’s most compelling enterprise-focused entrepreneurs. Our dedication to founders is evident in the efficiency of our operations, the value we deliver starting well before the investment, and our commitment to day one relationship building between key stakeholders. In an increasingly transactional market, we remain a steadfast people-first, principles-driven investor.