Ajay Mathur is the Director General of The Energy and Resources Institute (TERI), New Delhi, and a member of the Indian Prime Minister’s Council on Climate Change. He earlier headed the Indian Bureau of Energy Efficiency, and was responsible for mainstreaming energy efficiency in houses, offices and industries through a number of innovative initiatives.  He was a leading climate change negotiator, and was the Indian spokesperson at the Paris climate negotiations. He served as the interim Director of the Green Climate Fund during its foundational period.

At TERI, he has spearheaded the move to accelerate action towards a low-carbon and cleaner economy through the adoption of renewable energy in the Indian electricity sector, enhancing efficiency in buildings and industry, and promoting environmental quality through recycling of material wastes and biotechnology-based solutions.

He co-chairs the global Energy Transitions Commission.