Global Impact Investing Network (GIIN)
One of the largest and most respected is the Global Impact Investing Network (GIIN), a nonprofit membership organisation of impact investors. Hosting events such as the GIIN Investor Forum, gatherings of its Investors’ Council, and conducting the largest global survey of impact investing, the GIIN is both an invaluable information resource and ecosystem facilitator. Its website hosts material for specific needs including a research centre, training programs, a catalogue of impact investing performance metrics, and a hub for faith-based investors. The GIIN also maintains strategic alliances with other network organisations.