In his early career David Nabarro worked on child health and nutrition programmes in Iraq, South Asia and East Africa; taught at the London and Liverpool Schools of Tropical Medicine. He served as Chief Health and Population Adviser to the British Government’s Overseas Development Administration and as Director for Human Development in the UK Department for International Development.
He served in the World Health Organization from 1999, as UN System Influenza Coordinator from 2005 and Coordinator of the UN system’s High-Level Task Force on the Food Security Crisis from 2009. He became UN Secretary-General’s (UNSG’s) Special Representative for Food Security and Nutrition and Coordinator of the Scaling Up Nutrition Movement, from 2010.
He was appointed UNSG’s Special Envoy for Ebola in 2014 and Special Adviser for the 2030 Agenda for Sustainable Development and Climate Action in 2016 before leaving the UN in 2017. In 2018 he established 4SD to mentor development practitioners, so they are better able to work with complex and contested challenges. He was appointed Chair of Global Health at the Imperial College Institute of Global Health Innovation in 2019.
David is presently supporting the Nutrition Dialogues, the UN Food Systems Coordination Hub, the Food and Land Use Coalition, the Alliance of Champions for Food Systems and the Connecting Climate Minds project. He lectures and writes about practical experiences with systems leadership.
David received the World Food Prize in 2018 and was appointed Knight Commander of the Order of St Michael and St George (KCMG) in the 2023 UK New Year Honours for services to global health.

Joao is Global Leader of WWF's Food Practice, in charge of the Network´s efforts to enhance the sustainability of food systems worldwide. He leads a team that co-designs, with WWF's country offices and external partners, solutions that deliver nature-positive production, sustainable diets and reduction of food loss and food waste. Concurrently with his role at WWF, Joao has served as Chair of Action Track 3 of the UN Food Systems Summit, leading the Summit's work on nature-positive food production systems. Prior to WWF, Joao held the position of Special Environmental and Sustainability Advisor to Brazil´s Minister of Agriculture. Joao has held technical and executive positions in multilateral and bilateral agencies (World Bank, UNDP and DFID), in the federal government of Brazil (Ministry of the Environment and Ministry of Agriculture) and has advised national and sub-national governments (in Brazil, Argentina, Bolivia and Paraguay) on the design and implementation of regional development policies, combining socio-economic rural development with conservation. For thirteen years, Joao worked for The Nature Conservancy as Program Director in Latin America, Executive Director in Brazil and Lead Economist for the Global Lands program. Joao holds a bachelor´s degree in international relations and economics, a master’s degree in economics, a Ph.D. in environmental economics and has graduated from the General Management Program at the Harvard Business School. He has published two books on the economics of tropical deforestation and, in 2014, he was nominated among the top 100 Brazilian leaders in the agricultural sector for the disruptive work conducted on agriculture and conservation. Joao serves on the sustainability advisory and steering boards of NGOs, global agri-food platforms and companies, and the Global Futures Council on Food System Innovation of the World Economic Forum.

Emeline Fellus is Senior Director, Agriculture and Food at the World Business Council for Sustainable Development (WBCSD). She leads the organisation’s agriculture and food pathway, which includes 60+ companies and nearly 30 team members. She is a member of WBCSD’s Extended Leadership Group, as well as a member of The Beans is How Board, Regen10’s High Level Advisory Group and the World Benchmarking Alliance’s Expert Review Committee.

Prior to joining WBCSD, Mrs Fellus worked with the Sustainable Agriculture Initiative (SAI) Platform for 14 years. She helped build the organization, which grew from 3 founding companies to nearly 100 members when she left. In SAI Platform, Mrs Fellus endorsed several roles including Coordinator, Head of Learning and Implementation, and Deputy General Manager. During that time, she also supported Nestlé’s Sustainable Agriculture team in their water-specific strategy. Before then, Mrs Fellus worked for two years as Associate Economic Affairs Officer at the Economics and Trade Branch (ETB) of the United Nations Environment Programme (UNEP).

Emeline Fellus is an agronomist, with a major in natural resources’ economics and policies.
She also graduated from the Yale School of Management & ESADE Business School – WBCSD LEAP Sustainability Program, Executive Education.

She has extensive experience in the fields of health and nutrition, particularly in physiological research and product development of amino acids, and is an expert in regulatory affairs of nutrition and food. She has been fond of trekking and cycling since she was a child, and has a strong passion for the global environment and issues related food and nutrition. After serving as the head of sustainability while stationed in Europe, she has devoted herself to the cause, and is currently energetically promoting the simultaneous creation of social value and economic value at the head office.

Shakuntala Haraksingh Thilsted is the Director for Nutrition, Health and Food Security Impact Area Platform, CGIAR. She was awarded the 2021 World Food Prize for her ground-breaking research and landmark innovations in developing holistic, nutrition-sensitive approaches to aquatic food systems. She was awarded the 2021 Arrell Global Food Innovation Award for research innovation. She is the Chair of the Scientific Advisory Committee (SAC) of the UN Food Systems Coordination Hub. She was a member of the Steering Committee of the High Level Panel of Experts on Food Security and Nutrition (HLPE) of the United Nations Committee on World Food Security (CFS) and Vice Chair of the UN Food Systems Summit 2021: Action Track 4 - Advance Equitable Livelihoods. In 2022, Shakuntala was appointed co-chair of the EAT-Lancet 2.0 Commission. Shakuntala holds a PhD from the Royal Veterinary and Agricultural University, Denmark. She holds Honorary Doctorates from the Swedish University of Agricultural Sciences and The University of the West Indies.