There is no questioning the enthusiasm that welcomed impact investing as an alternative approach to making investments: Take account of both financial returns and the social and environmental impacts. But there is no denying that the approach has fallen well short of expectations.

John J. Forrer, Director, Institute for Corporate Responsibility; Research Professor, Strategic Management and Public Policy; and Associate Faculty, School of Public Policy and Public Administration at George Washington University. He leads the activities of the ICR and teaches, and conducts research on corporate social responsibility, economic sanctions, sustainable supply chains, public-private partnerships, business and peace, ESG and impact investing.

Terry R. Gray has been working internationally in the field of impact investing for the past fifteen years. He is currently the Executive Director at Impact Bridges Group, a professional service social enterprise, that specialize in investment appraisal, risk analysis, impact measurement and management of social and economic development projects and small and growing business.

1. Impact Investing: What's the Big Idea? 2. Opportunities and Challenges for Impact Investors 3. Lessons Learned 4. Reimaging Impact Investing 5. I3 Approach Model and Framework 6. I3 Tools and Techniques 7. Ideation Phase 8. Scoping Phase 9. Feasibility Stage 10. Cash Flow, Environmental, and Gender Assessments 11. Integrated Analysis Framework - Investment Criteria and Risk Management 12. Measurement, Management, and Appraisal 13. Creating a Nurturing I3 Ecosystem