Callahan’s The Givers Raises Big Questions as It Profiles Living Donors The Givers: Wealth, Power, and Philanthropy in a New Gilded Age Buckle up, Philanthropeeps. The Give We love that you love our content! Please subscribe to read the rest. Author: Kiersten Marek Kiersten Marek, LICSW, is the founder of Philanthropy Women. She practices clinical social work and writes about how women donors and their allies are advancing social change. View all posts by Kiersten Marek