The GTSP is advised by a pre-eminent group of international experts. The Steering Committee currently consists of the following individuals:
- John Ashton, Former lead for Climate, UK Foreign Office
- Richard Balzhiser, President Emeritus, Electric Power Research Institute
- Richard Benedick, Former Ambassador, Montreal Protocol
- Ralph Cavanagh, Co-director, Energy Program, Natural Resources Defense Council
- Zhou Dadi, Director, China Energy Research Institute
- Dale Heydlauff, Senior Vice President-Government and Environmental Affairs, American Electric Power
- John H. Gibbons, Former Director, Office of Science and Technology Policy
- David Hawkins, Director, Sullivan Climate Center, Natural Resources Defense Council
- Tae Yong Jung, Council on Energy & Environment, Korea
- Mikiko Kainuma, NIES, Japan
- Yoichi Kaya, Director, RITE, Keio University, Japan
- Hoesung Lee, President, Korea Council on Energy and Environment
- Robert McNamara, Former President, World Bank
- Rajendra Pachauri, Tata Energy Research Institute
- Allen Sessoms, President, Delaware State University
- Pryadarshi Shukla, Indian Institute of Management
- John Weyant, Stanford Energy Modeling Forum
- Robert M. White, The Washington Advisory Group LLC
- Kenji Yamaji, The University of Tokyo