Landis MacKellar is an economist and lawyer whose research and writing have spanned demography, the economics of the social sector, and natural resource and environmental economics including climate change. He serves as Senior Associate and editor of Population and Development Review, the leading journal seeking to advance knowledge of the relationships between population and social, economic, and environmental change.
Before joining the Council, MacKellar was long associated with the International Institute for Applied Systems Analysis (IIASA) in Vienna, a non-governmental research organization which conducts interdisciplinary scientific studies on environmental, economic, technological and social issues in the context of the human dimensions of global change. He is a former Executive Director of the International Union for the Scientific Study of Population (IUSSP) and Directeur d’études at the Institut national d'études démographiques in Paris.
MacKellar has consulted for clients including the European Commission (EC), the World Bank, the Asian Development Bank (ADB), the International Labour Organisation (ILO), the International Development Law Organization (IDLO), the U.S. Agency for International Development (USAID), the UN Development Programme (UNDP), and the United Nations Democracy Fund (UNDEF).
A graduate of Oberlin College (BA), The Open University (LLB), and Gould School of Law at the University of Southern California (LLM), MacKellar has a Masters in demography and a PhD in regional science from the University of Pennsylvania. He works in English, French, and German and splits his time between New York, Paris, and Vienna.