"Not On Our Watch" is a humanitarian organization founded in 2007 by actors including George Clooney, Don Cheadle, Brad Pitt, and Matt Damon. The group aims to prevent and respond to mass atrocities and genocide around the world, focusing on raising awareness and mobilizing resources to support affected communities. The organization emphasizes the importance of global responsibility and encourages individuals and governments to take action against human rights violations. Through advocacy, fundraising, and partnerships with other organizations, "Not On Our Watch" seeks to create a more just and compassionate world for those facing oppression and violence.