Delia has over 20-year R&D experience in integrated natural resources management with a focus in the socio-economic, policy and institutional aspects of agroforestry, watershed management, payments for ecosystems services, environment and livelihoods. She has completed PhD in Natural & Rural Systems Management and Post Doc in Sustainability Science. She served the World Agroforestry Centre for nearly 19 years until April 2018 and was the Centre’s country representative in Vietnam. Dr Catacutan has work experience in Southeast Asia and Africa, and has helped in setting up Landcare International. She has been actively involved in other global networks, such as the global Land Coalition, Soils partnerships, ecosystem service partnerships, and eco-agriculture partners.He has worked in Africa since 1978. Although he has maintained a focus on the West African Sahel, Chris Reij has been involved in numerous studies and consultancies in other parts of Africa, Asia, the Caribbean and the Pacific. His main fields of research and writing are related to restoration of degraded land in semi-arid regions, farmer innovation in agriculture, long-term trends in agriculture and environment and analysis of successes in agriculture and land management in Africa. He is the facilitator of "African Re-greening Initiatives", which supports farmers in adapting to climate change and in developing more productive and sustainable farming systems. This initiative was launched to help scale up proven successes in re-greening by individual farmers and communities. It is operational in Burkina Faso and Mali, and is expanding to other African countries. It collaborates with VU University’s Network Institute in a Web Alliance for Re-greening Africa. Chris Reij was honored by the United Nations Convention to Combat Desertification (UNCCD) as Global Drylands Champion 2013.