The Elsevier Foundation and the World Academy of Sciences (TWAS) are partners in the Visiting Expert Program in sustainability science. The program supports visits of distinguished scientists to institutions in developing countries, with a focus on 48 Least Developed Countries (LDCs). Host institutions in eligible countries can invite distinguished scientists to collaborate in research and training. The visit should provide a minimum stay of two weeks at the host institution. Institutions wishing to be considered for this program should submit the request form before 01 March 2018. Be a Visiting Expert