Watch Movies2Watch. improv4humans is a comedy platform from one of the founders of modern improv, Matt Besser. Together with longtime producer and engineer Brett Morris, i4h is dedicated to presenting the very best in improvised comedy, supporting performers, and teaching the craft to the next generation. Besser is a founding member of the groundbreaking sketch group and Comedy Central series The Upright Citizens Brigade, and co-founder of the world-renowned UCB Theatre and training center — which has launched the careers of countless household names in comedy. He also co-authored The Upright Citizens Brigade Comedy Improv Manual, the definitive book on long-form improv. Filmed live at the 2026 Del Close Marathon.