John Prendergast is a human rights activist and author. He is cofounder of the Enough Project (enoughproject.org), an initiative to end genocide and crimes against humanity. He has worked in African conflict zones for over twenty-five years and was involved in a number of African peace processes. He was a diplomat in the Clinton administration.

Don Cheadle is an actor, film producer, philanthropist, and author. In 2004, his lead role as Rwandan hotel manager Paul Rusesabagina in the film Hotel Rwanda earned him an Academy Award nomination for Best Actor. He is one of the cofounders of two organizations: Not On Our Watch and Ante Up for Africa. He and John are the New York Times bestselling authors of Not on Our Watch.