Jim Wallis is a bestselling author, public theologian, political activist and frequent speaker on faith and public life. He is President and CEO of Sojourners and editor-in-chief of Sojourners magazine.  His columns appear in major newspapers and blogs, and he regularly appears as a television and radio commentator.  Born and bred in the United States, Jim travels widely and is a regular speaker at the annual UK Greenbelt festival. Jim worked as a spiritual advisor to President Barack Obama.