Bureau
| LI, Jianping | President | China | 2019- |
| YIN, Qiuzhen | Executive Secretary | Belgium | 2019- |
Members
| MYSAK, Lawrence | Canada | 2007- |
| HALENKA, Tomas | Czech Republic | 2009- |
| RODHE, Johan | Sweden | 2009- |
| DING, Ruiqiang | China | 2011- |
| DIODATO, Nazzareno | Italy | 2011- |
| ABE-OUCHI, Ayako | Japan | 2013- |
| COLLINS, Matthew | U. K. | 2013- |
| DIMA, Mihai | Romania | 2013- |
| LATIF, Mojib | Germany | 2013- |
| FENG, Juan | China | 2015- |
| NAKAEGAWA, Toshiyuki | Japan | 2015- |
| WANG, Zhaomin | China | 2017- |
| SON, Seok-Woo | South Korea | 2017- |
| CHAFIK, Léon | Sweden | 2019- |
| CAPRON Emilie | Denmark | 2019- |
| KRAVITZ Ben | USA | 2024- |
| SUN Cheng | China | 2024- |
| LI Xichen | China | 2024- |
| FOLTZ Gregory | USA | 2024- |
| KAJTAR Jules | UK | 2024- |
| MASSONNET François | Belgium | 2024- |
Past Presidents
| NEWELL, Reginald | USA | 1978-1983 |
| KIDSON, John | NZ | 1983-1987 |
| BERGER, Andre | Belgium | 1987-1993 |
| HENDERSON-SELLERS, Ann | Australia | 1993-1995 |
| MacCRACKEN, Michael | USA | 1995-2003 |
| ALVERSON, Keith | UNEP/DEPI/USA | 2003-2011 |
| HOLBROOK, Neil | Australia | 2011-2019 |
Past Executive Secretaries
| KIDSON, John | NZ | 1978-1983 |
| DICKINSON, Robert | USA | 1983-1987 |
| JONES, Phil | UK | 1987-1995 |
| MCGUFFIE, Kendal | Australia | 1995-2003 |
| HOLBROOK, Neil | Australia | 2003-2011 |
| LI, Jianping | China | 2011-2019 |
Emeritus Members
| McGUFFIE, Kendal | Australia |
| HENDERSON-SELLERS, Ann | Australia |
| BERGER, Andre | Belgium |
| LI, Chongyin | China |
| FU, Congbin | China |
| HOLBROOK, Neil | Australia |
| JONES, Phil | United Kingdom |
| MacCRACKEN, Michael | USA |
| ALVERSON, Keith | UNEP/DEPI |
| MASSON-DELMOTTE, Valerie | France |
| BROCCOLI, Anthony | USA |
| MOKHOV, Igor | Russia |
| STEFAN, Sabina | Romania |