Parker J. Palmer, Founder and Senior Partner Emeritus of the Center for Courage & Renewal, is a world-renowned writer, speaker and activist who focuses on issues in education, community, leadership, spirituality and social change. He has reached millions worldwide through his nine books, including Let Your Life Speak, The Courage to Teach, A Hidden Wholeness, and Healing the Heart of Democracy. He is collaborating with singer/songwriter, Carrie Newcomer, in a project called The Growing Edge. 
His tenth book is On The Brink of Everything: Grace, Gravity, and Getting Old.