Overview

Sisu partners with early-stage entrepreneurs as a founder-friendly incubation fund led by Ari Mir. It supports startups in the first year with direct coaching and mentorship from Ari, helping with critical decisions like cofounder pairing and brand identity, and then provides ongoing advisory services afterward. The fund works by investing in the startups it helps, often taking equity stakes, and by forming teams with founders to brainstorm and navigate the company-building process in the incubation phase. Sisu differentiates itself through close founder-centric involvement, hands-on coaching from its founder, and a structured twelve-month support window that focuses on shaping core aspects of the venture before offering ongoing advisory support. Its goal is to increase the odds of startup success by building strong teams, clear visions, and sustainable early-stage strategies through active partnership and equity-based investment.