U.S. Agency for International Development (USAID)Office of U.S Foreign Disaster Assistance (OFDA)(U.S. Agency for International Development (USAID), 1993-08)
San Diego Museum of Natural HistoryInstituto Argentino de Investigaciones de las Zonas Áridas (IADIZA)Gobabeb Training and Research CentreUnited Nations Environment Programme (UNEP)(United Nations Environment Programme (UNEP), 2006)
Swiss ConfederationFederal Office for the Environment (FOEN)Federal Department of the Environment, Transport, Energy and Communication (DETEC)(Federal Office for the Environment (FOEN), 2011-09)