​Mr. MacNeill, a Canadian national, was appointed to the Inspection Panel in 1997, and served as Chair from 1999 to 2001.

Mr. MacNeill is a policy advisor to international organizations, governments, and the industry on environment, energy, management, and sustainable development issues. He served as OECD’s Director of Environment, and prior to that he was a Deputy Minister in the Government of Canada. Among many other distinguished memberships, he is Chairman Emeritus of the International Institute of Sustainable Development. He was Secretary General of the World Commission on Environment and Development (the Brundtland Commission), and he was lead author of the Commission's world-acclaimed report, "Our Common Future."

Mr. MacNeill holds a BA in Science and Mechanical Engineering from Saskatchewan University, and a graduate diploma in Economics and Political Science from the University of Stockholm. He is the author of many books and articles, and is the recipient of a number of national and international awards, including the Order of Canada.