TAI is led by seven civil society organizations (the Core Team). Each Core Team member acts as a regional lead:

• Africa: The Institute for Law and Environmental Governance (ILEG), Kenya and Bioresources Development and Conservation Programme Cameroon (BDCPC), Cameroon;
• Southeast Asia: Thailand Environment Institute (TEI), Thailand;
• South Asia: Legal Initiative for Forest and Environment (LIFE), India;
• Europe: Environmental Management and Law Association (EMLA), Hungary;
• Latin America: Centro Ecuatoriano de Derecho Ambiental (CEDA), Ecuador and Iniciativa de Acceso-México, Mexico;
• All Other: World Resources Institute (WRI), United States.

WRI also acts as the secretariat for the global TAI network.