Rabbi David Jaffe is a leading figure in the contemporary renewal of the Musar movement, a Jewish ethical movement.[1] He is the author of Changing the World from the Inside Out: A Jewish Approach to Personal and Social Change, for which he was awarded the Jewish Book Council’s Myra H. Kraft Memorial Award in Contemporary Jewish Life and Practice in 2016.[2][3] Jaffe is also a political activist who has been noted for his work in encouraging better funding for public schools in Massachusetts.[4][5]