This guide is intended to help bring newcomers into the game. It intends to help high net worth individuals, family offices and others to know some of the questions, if not the answers, to determine what's right for them and what to do next to move toward meaningful, measurable impact. It has been developed with a flexible framework and a simple taxonomy to help people get their arms around impact investing. Several profiles of impact ventures, funds and investors that can be seen at ImpactAlpha have been included. The guide builds on the work of great champions for this movement. The Rockefeller Foundation, Omidyar Network and many others that have been pioneers in supporting the development of the field.