| Organisation : | Org. acronym: | Governor: | Alternate: | org. Nationality: |
| Development bank of Latin America | CAF | Julian SUAREZ MIGLIOZZI | Franz ROJAS-ORTUSTE | International |
| Food and Agriculture Organization of the United Nations | FAO | Sasha KOO-OSHIMA | Ruhiza Jean BOROTO | International |
| The World Bank | WB | Jennifer SARA | Gustavo SALTIEL | International |
| United Nations Educational Scientific and Cultural Organisation | UNESCO | Abou AMANI | Alice AURELI | International |
| Organisation : | Org. acronym: | Governor: | Alternate: | org. Nationality: |
| Azersu Open Joint Stock Company | Azersu OJSC | Gorkhmaz HUSEYNOV | Farda IMANOV | Azerbaijan Republik |
| City of Marseille Permanent Seat | Benoit PAYAN | N/A | France | |
| International Economic & Technical Cooperation and Exchange Center, Ministry of Water Resources, P.R. China | INTCE | Qiuchi SHI | Zhao HAO | China |
| Loire-Bretagne water agency | AELB | Marie-Hélène AUBERT | Laurent BERGEOT | France |
| Ministry of Environment | MoE | Dongjin KIM | Kwan Suk LEE | Korea |
| Ministry of Equipment, Transport, Logistics and Water - Department of Water | METLW | Abdeslam ZIYAD | Safaa BAHIJE | Morocco |
| National Water Research Center | NWRC | Khaled RAMADAN | Aiman EL SAADI | Egypt |
| Regulatory Agency for Water, Energy and Basic Sanitation of the Federal District | ADASA | Raimundo RIBEIRO | Jorge LIMA WERNECK | Brazil |
| Organisation : | Org. acronym: | Governor: | Alternate: | org. Nationality: |
| Basic Sanitation Company of the State of Sao Paulo | SABESP | Adriano CANDIDO STRINGHINI | Dante RAGAZZI PAULI | Brazil |
| Beijing Hanjian Heshan Pipeline Co., Ltd | BJHS | Yubo TIAN | Jiangning LIU | China |
| Dolsar Engineering Inc. Co. | DOLSAR | Mehmet Sinan AKER | Cem AKER | Turkey |
| Nairobi City Water & Sewerage Co. Ltd. | NCWSC | Nahason MUGUNA | Mbaruku VYAKWELI | Kenya |
| Office national de l'electricite et de l'eau potable - Maroc | ONEE (Ex ONEP) | Abderrahim EL HAFIDI | Asma EL KASMI | Morocco |
| Société des eaux de Marseille | SEM | Loic FAUCHON | Marie BORNI | France |
| The International Federation of Private Water Operators | AquaFed | Mamadou DIA | Alejandra SUAREZ | Belgium |
| Organisation : | Org. acronym: | Governor: | Alternate: | org. Nationality: |
| Brazilian Association of Regulatory Agencies | ABAR | Fernando Alfredo RABELLO FRANCO | Vinicius BENEVIDES | Brazil |
| French Water Partnership | FWP | Jean LAPEGUE | Marie-Laure VERCAMBRE | France |
| India Water Foundation | IWF | Arvind KUMAR | Shweta TYAGI | India |
| Korea Water Forum | KWF | Kyulho KWAK | Eun NAMKUNG | Korea |
| Moroccan Coalition for Water | COALMA | Houria TAZI SADEQ | Mohammed FIKRAT | Morocco |
| The Nature Conservancy | TNC | Andrea ERICKSON-QUIROZ | Fredrick KIHARA | United States of America |
| Turkish Water Institute | SUEN | Ahmet Mete SAATÇI | Aslihan KERÇ | Turkey |
| Organisation : | Org. acronym: | Governor: | Alternate: | org. Nationality: |
| American University of Beirut | AUB | Rabi MOHTAR | Nadim FARAJALLA | Lebanon |
| Asia Water Council | AWC | Jae-Hyeon PARK | Yongdeok CHO | Korea |
| Chinese Hydraulic Engineering Society | CHES | Xinhua TANG | Yongfeng LIU | China |
| Daugherty Water for Food Global Institute at the University of Nebraska | DWFI | Peter MCCORNICK | Christoper NEALE | United States of America |
| International Institute for Applied Systems Analysis | IIASA | Yoshihide WADA | Taher KAHIL | Austria |
| International Office for Water | IOW | Eric TARDIEU | Judith ENAW | France |
| International Water Resources Association | IWRA | Yuanyuan LI | Callum CLENCH | International |
| Japan Institute of Country-ology and Engineering | JICE | Yoshinobu NAKAHIRA | Masato OKABE | Japan |
| Portuguese Association of Water and Wastewater Services | APDA | Rui GODINHO | José Henrique ZENHA | Portugal |
| Turkish Society for Infrastructure and Trenchless Technology | TSITT | Yasin TORUN | Ufuk Yavuz TUMER | Turkey |