From groundbreaking theory to powerhouse practice In 2011, IARPA—the US intelligence community’s equivalent to DARPA—launched a massive competition to identify cutting-edge methods to forecast geopolitical events. Four years, 500 questions, and over a million forecasts later, the Good Judgment Project (GJP)—led by Philip Tetlock and Barbara Mellers at the University of Pennsylvania—emerged as the undisputed […]
