IIER is organized as a transatlantic co-operation between two legally independent non-profit organizations in the United States and the Netherlands.

In the United States, IIER is a non-profit 501(c)(3) corporation (EIN: 27-3932630), and as a foundation (Stichting) in the Netherlands (RSIN 857251247). However, despite the separate legal entities, IIER is managed in an integrated way across the Atlantic, with researchers collaborating closely on our projects. Each of the legal entities is managed by a Board of Directors according to local law, overseeing activities.

One of the key characteristics of IIER is its strive for solid science. We want to work based on scientifically demonstrated evidence, not on hearsay, assumptions, and opinions. In order to support this effort, we are in the process of establishing a Scientific Advisory Board, consisting of academics and other senior professionals, who, through their own activities, have shown that they understand some of the key contributors to our human ecosystem.