NextBillion - An Initiative of the William Davidson Institute at the University of Michigan

Margot Brandenburg is Associate Director at the Rockefeller Foundation, where she works on multiple initiatives that pertain broadly to economic development, including Impact Investing and the Campaign for American Workers. Within the Impact Investing portfolio, she leads a set of metrics-related activities, including the Foundation’s role in IRIS and GIIRS.

Sarah Gelfand is the Director of the Impact Reporting and Investment Standards (IRIS) initiative at the Global Impact Investing Network. She currently focuses on promoting adoption of the IRIS standards and overseeing the evolution of the IRIS taxonomy and indicators.