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 What does the AI Second Brain include? Will Tiago teach future cohorts of the AI Second Brain? 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?