| LGLeen Gorissen | Europe | Antwerp, Belgium | Leadership and governance, Climate solutions |
| DGDan Greenwald | North America | Boston, United States | Leadership and governance, Climate solutions, Economics and finance |
| JGJenny Grettve | Europe | Malmö, Sweden | Leadership and governance, Climate solutions, Economics and finance |
| LGLuciana Gualdi | Europe | Venice, Italy | Leadership and governance, Climate solutions, Economics and finance |
| OGOscar Gussinyer | Europe | Catalonia, Spain | Leadership and governance, Climate solutions, Indigenous knowledge |
| LHLucia Hadella | North America | Corvallis, United States | Leadership and governance, Climate solutions |
| PHPenny Heiple | North America | Asheville, United States | Leadership and governance, Climate solutions, Economics and finance |
| EHEeva Hellström | Europe | Helsinki, Finland | Leadership and governance, Climate solutions, Economics and finance |
| EHEric Henry | North America | Burlington, United States | Leadership and governance, Climate solutions, Economics and finance |
| DHDominique Hes | Oceania | Melbourne, Australia | Leadership and governance, Climate solutions, Economics and finance |
| JHJoseph Hess | Europe | Paris, France | Leadership and governance, Climate solutions, Economics and finance |
| DHDavid Hodgson | North America | Berkeley, United States | Climate solutions, Leadership and governance, Economics and finance |
| MHMarga Hoek | Europe | Amsterdam, Netherlands | Leadership and governance, Climate solutions, Economics and finance |
| MHMichelle Holliday | North America | Montreal, Canada | Leadership and governance, Climate solutions, Economics and finance |
| SHSandra Horlings | Europe | Amsterdam, Netherlands | Leadership and governance, Climate solutions, Economics and finance |
| SHSudhir John Horo | Asia | Ranchi, India | Leadership and governance, Climate solutions, Indigenous knowledge |
| GHGiles Hutchins | Europe | London, United Kingdom | Leadership and governance, Climate solutions |
| AJAnthony J James | Oceania | Perth, Australia | Leadership and governance, Climate solutions, Economics and finance, Indigenous knowledge |
| LJLana Kristine Jelenjev | Europe | Amsterdam, Netherlands | Leadership and governance, Climate solutions |
| IJIndy Johar | Europe | London, United Kingdom | Leadership and governance, Economics and finance |
| KJKosha Joubert | Europe | Berlin, Germany | Leadership and governance, Climate solutions, Economics and finance |
| TJTrudy Juriansz | Oceania | Eumundi, Australia | Leadership and governance, Climate solutions, Indigenous knowledge |
| OKOlivia Savile Katz | Europe | Lisbon, Portugal | Leadership and governance, Climate solutions, Economics and finance |
| CKColin Keogh | Europe | Dublin, Ireland | Leadership and governance, Climate solutions, Economics and finance |
