One of the plenary lecture of ACN 2019 is Double-burden Malnutrition Problem and the Importance of Multi-stakeholder Partnership to Overcome the Challenges. The plenary speakers were Prof. Dr. Robert Black, MD, MPH (Professor and Director of the Institute for International Programs of the Johns Hopkins Bloomberg School of Public Health in Baltimore, Maryland, USA); dr. Elvina Karyadi, MSc, PhD (Senior Health Specialist, The World Bank Indonesia); and Dharnesh Gordhon (Director of Nestlé Indonesia).