Joy Shumake-Guillemot leads the WHO/WMO Joint Office for Climate and Health in Geneva Switzerland, and is the co-coordinator of the Global Heat Health Information Network. She is an environmental health scientist and public health practitioner who has worked with WHO, WMO, UNICEF and others to develop public health policy and programming for climate adaptation and risk management. She has extensive field experience in Africa, Asia, and Latin America supporting public health and humanitarian assistance programs. Her current work focuses on enabling WMO and WHO to work together to accelerate the availability, access and use of climate and weather information that can improve public health policy and practice. She was the lead author of the WHO Operational Framework for Climate Resilient Health Systems (2015) and has co-authored numerous peer reviewed and technical publications including the WMO State of Climate Services for Health (2023). Joy received her Doctor of Public Health in Environmental Health Sciences from Johns Hopkins University in Baltimore, Maryland (USA).