(BSc Zoology, PhD Animal Behaviour) is Chief Scientific Adviser with The World Society for the Protection of Animals, based in London, UK. At the Poultry Research Centre and the University of Edinburgh, UK, he carried out research for 20 years on behaviour and welfare of farm animals, before a period with The Humane Society of the United States in Washington, DC. His most recent book is Long Distance Transport and Welfare of Farm Animals (co-editor, 2008). Dr Appleby is a member of the Farm Animal Welfare Council (Farm Animal Welfare Committee from April 2011) and a Visiting Professor at the University of Plymouth and the Scottish Agricultural College. Carla Forte Maiolino Molento holds a degree in Veterinary Medicine from the Federal University of Paraná (1990), a master's degree in Veterinary Sciences from the Federal University of Paraná (1995), a doctorate in Animal Science from McGill University, Canada (2001), a post-doctorate in animal welfare from the ILVO Institute, Belgium (2011), and a post-doctorate in cellular agriculture from Wageningen University Research - WUR (2024). Currently, she is a full professor at the Federal University of Paraná, coordinator of the Animal Welfare Laboratory (LABEA/UFPR), and coordinator of the Cellular Zootechnics Laboratory (Zoocel/UFPR). She teaches Ethology, Animal Welfare, and Cellular Zootechnics to undergraduate students in Veterinary Medicine and Animal Science. She supervises undergraduate, masters, doctoral, and post-doctoral research in Animal Welfare and Cellular Zootechnics in the Postgraduate Program in Veterinary Sciences at UFPR. She is a CNPq Research Productivity Fellow, level B. She has experience in teaching, diagnosis, and strategies for improving the welfare of animals used for production, companionship, and in laboratories. More recently, she has dedicated herself to research and teaching in Cellular Animal Science, involving alternative methods to the use of animals for food production. She is the coordinator of the New Research and Innovation Arrangement in Alternative Proteins, funded by the Araucária Foundation, coordinator of a FINEP project within the Bioeconomy call for proposals, and president of the Brazilian Association of Cellular Agriculture - Cell Ag Brazil. Anna Olsson (I. A. S. Olsson) is Researcher and Group Leader at i3S-Institute for Research and Innovation in Health, University of Porto since 2004. She has a background in animal science and holds a PhD in ethology from the Swedish University of Agricultural Sciences. Her research focuses on behaviour and welfare of domestic (laboratory, farm and companion) animals and ethics of (animal) research and technology. She has established and coordinates training in laboratory animal science for researchers at i3S (FELASA accredited course). At the University of Porto, she has developed the ethics module for three PhD programs (PDN, GABBA, MCBiology) and is one of the founders of the interdisciplinary art-science module Biolaboratório. Anna Olsson chairs the institutional animal welfare and ethics review body since 2010. She is Trustee for Universities Federation of Animal Welfare / Humane Slaughter Association (since 2016) and Member of the Scientific Advisory Board for the Swiss 3Rs Competence Centre (since 2018). She is Editorial board member for the journal Laboratory Animals (since 2004) and academic editor for PLOS ONE (since 2016). She is the co-editor of two textbooks Animal ethics in animal research (Cambridge University Press) and Animal Welfare (CABI International).