Why Tokamak?

A tokamak is a machine designed to contain and control extreme energy—the same kind found in stars—to spark fusion. We think that’s a fitting metaphor for what we do at Entrepreneurs First.

At EF, we work with exceptional individuals at the earliest stages to help them find cofounders, identify important problems, and build generation-defining startups. The process is raw, intense, and high-energy. But with the right conditions, extraordinary things can happen.

This Substack is where we share the ideas, insights, and lessons that shape how we think and build. You’ll find thought pieces from our cofounders, domain expertise from our team, and original research and reflections from our Talent Investors and guests.

Tokamak is a home for the energy and thinking that powers EF—and the next wave of world-class companies.