When will the founding Cohort 1 of the AI Second Brain take place? March 25, 2026 19:31 Cohort 1 of the AI Second Brain will run from April 15 – May 1, 2026. We're scheduling a second cohort for the fall of 2026. Related articles Will Tiago teach future cohorts of the AI Second Brain? Who is the AI Second Brain suited for? What does the AI Second Brain include? What's your refund policy for the AI Second Brain? What’s the schedule of the AI Second Brain cohort, and what if I can't attend the live sessions?