Poseidon Fellows

Poseidon Fellows aims to become UC San Diego's premier entrepreneurship fellowship for builders, dreamers, and founders across all levels of study — undergraduate, graduate and Ph.D. Modeled after world-class programs like the Mayfield Fellows at Stanford, we believe the best founders aren't made in classrooms — they're forged through mentorship, community and real-world exposure.

Over the course of the program, Fellows receive access to founder mentors, investor office hours, a curated curriculum on company-building, and a tight-knit cohort of peers who share your drive to create something from nothing. Whether you have a company already or just a restless sense that something in the world needs to change — you belong here.

We are seeking our inaugural cohort, and we invite you to apply. Applications are due by March 22, 2026 at 11:59 p.m.