In 1984, as national chairman for the Fellowship of Reconciliation (FOR), he helped lead a delegation to Nicaragua during the war there between the Sandinistas and the Contras.[2] That experience impacted him to lead many such groups on dozens of trips to conflict zones in Central America, the Middle East and other parts of the world.
In 2003 he helped to launch the All Our Children campaign by which thousands of people in U.S. churches and mosques have provided medicine for Iraqi children.
Mosley is a writer and lectures in churches, universities and in other settings. He is author of books titled "With Our Own Eyes"[3] and "Faith Beyond Borders."[4]
He and his wife, Carolyn Mosley, are founding members of the Jubilee Partners community in Georgia, started in 1980, which has hosted about 4,000 refugees from more than 40 countries around the world. The main goal of the Jubilee Partners is to live as an intentional Christian service community and to extend hospitality to newly arrived refugees.