IEI - Status IEI was formally incorporated as a not-for-profit organization with tax-exempt status in the USA in September 1991, and started operations in September 1992. It was founded by Prof José Goldemberg (Brazil), Prof Amulya Reddy (India), Prof Thomas Johansson (Sweden) and Dr Robert Williams (USA), after the publication of their widely acclaimed book Energy for a Sustainable World. The intent was to further develop analysis around sustainable energy development and to translate these ideas into practice. It received initial funding from US-based foundations, including the Rockefeller, John Merck, Joyce-Mertz Gilmore and New Land Foundations. It also received grants from the Swedish Agency for Research Cooperation with Developing Countries (SAREC), NORAD and DGIS (the Netherlands). The annual budget of the IEI is approximately US$ 500,000.