This document summarizes a guide to 33 principles for ethical governance and practice by nonprofits and foundations. It is an update of a 2007 publication drawn up by the Panel on the Nonprofit Sector, an independent effort by charities and foundations convened by Independent Sector, a coalition of such organizations. In 2014, an advisory group of 21 sector leaders, brought together again by Independent Sector, revised the principles to account for changes in society, technology and law that have occurred since the original release. The Wallace Foundation, whose president, Will Miller, was among the 21, has joined a number of other philanthropies in signing on to the 2015 principles. The complete guide and related resources are available here: https://www.independentsector.org/wp-content/uploads/2016/11/Principles2015-Web-1.pdf.