Bachelor's degree in Biological Sciences with a master's in Cellular and Molecular Biology, and doctoral studies in Health Surveillance. Currently serving as Senior Technologist at the Oswaldo Cruz Foundation and collaborating with Brazil's National Health Surveillance Agency. Specializes in pharmacology and toxicology, with a focus on alternative methods, particularly in toxicology, cosmetics, quality control, pyrogens, and ocular and dermal irritation.

Formerly Head of the Department of Pharmacology and Toxicology at INCQS/FIOCRUZ from 1994 to 2000 and Coordinator of the Cosmetic Technical Group at INCQS/FIOCRUZ from 1994 to 2010. Actively reviews for national and international journals. Member of the Ethics Committee on Animal Use at FIOCRUZ (CEUA/FIOCRUZ) since 1999, serving as Coordinator from 2006 to 2008 and again from 2010 to 2022. Vice President of the Brazilian Society of Laboratory Animal Science (SBCAL) from 2018 to 2022. Coordinator of BraCVAM - Brazilian Center for Validation of Alternative Methods.

Dr. Ovalle is a dentist with a specialization in university teaching, philosophy of science, a master's degree in bioethics, and a PhD in social sciences. She has experience in designing a health services model with an emphasis on primary care. She has extensive experience in bioethics education and research. Her studies in bioethics have allowed her to delve into human rights violations, focusing on intersectional approaches such as the protection needs of vulnerable populations in research participation, the right to health, and human development. Currently, she serves as Vice-President of the UNESCO Bioethics Network, President of the National Bioethics Council of Colombia, and as a research professor in the Department of Bioethics at Universidad del Bosque.

Dr. Tamayo is a Veterinary Doctor from the University of Antioquia. She completed a Master's in Veterinary Surgery at UNESP and pursued her doctoral studies in Animal Sciences at USP. She is a professor at the University of Antioquia and Director of the Animal Anatomy Laboratory. She leads research in animal anatomy focusing on areas such as anatomical techniques, veterinary anatomy education, plastination, anatomical models, and simulation. Recently, she led the group that developed Colombia's first biomechatronic model of a dog.

Ester Carregal Romero, Ph.D., MSc., works at the Division of Environmental Health and Safety of the Organisation for Economic Co-operation and Development (OECD) in Paris, France. She coordinates various projects related to chemical risk assessment and harmonization of formats for reporting chemical safety data. Ester, trained as a chemist, earned her Ph.D. in Materials Science from the Autonomous University of Barcelona (Spain). She furthered her education with a Master's in Chemical Innovation and Regulation from the University of Bologna (Italy) and Heriot-Watt University (Scotland). Before joining the OECD, Ester worked in the private sector (Germany) and at the European Chemicals Agency (Finland), focusing on regulatory affairs related to chemical safety management.

Dr. Nicole Kleinstreuer is the director of the National Toxicology Program Interagency Center for the Evaluation of Alternative Toxicological Methods, located within NIEHS, and the executive director of the Interagency Coordinating Committee on Validation of Alternative Methods (ICCVAM). Her research focuses on in vitro alternatives to animal testing, artificial intelligence and machine learning, high throughput screening and multidimensional data analyses, and mathematical and computational modeling of biological systems and their susceptibility to environmental perturbations that may result in adverse outcomes. She received undergraduate degrees in mathematics and biomedical engineering from the University of North Carolina at Chapel Hill, her PhD in BioEngineering from the University of Canterbury in Christchurch, New Zealand, and completed her postdoctoral training with the U.S. EPA’s National Center for Computational Toxicology. Dr. Kleinstreuer also maintains adjunct faculty appointments at the Eshelman School of Pharmacy at the University of North Carolina at Chapel Hill and the Yale University School of Public Health.

Mathieu Vinken is a professor affiliated with the Vrije Universiteit Brussel-Belgium. He has a background in pharmaceutical sciences (Pharm.D.), holds a doctoral degree in experimental in vitro toxicology (Ph.D.), is a European registered toxicologist (E.R.T.) and a trained chemical risk assessor. His research focus is situated in the fields of experimental hepatology (cellular communication as a drug target for the therapy of liver disease), in vitro toxicology (mechanistic modelling of liver toxicity and set-up of liver-based in vitro systems) and space toxicology (effects of space conditions on the liver). He is author of more than 230 papers published in international peer-reviewed journals (h-index 47). He is editor of 3 books. He is editor-in-chief of Toxicology, associate editor of Archives of Toxicology and European editor of Applied In Vitro Toxicology. He coordinates several national and international projects, including the European Horizon 2020 project ONTOX. He is a regularly invited speaker on international conferences in the area of toxicology. He is past-president of the European Society of Toxicology In Vitro (ESTIV), executive committee member of the Federation of European Toxicologists and European Societies of Toxicology (EUROTOX) and founder of the In Vitro and In Silico Toxicology Speciality Section of EUROTOX. He has received several research grants of the excellent science pillar of the European Union’s research and innovation frameworks, including from the European Research Council, the Future and Emerging Technologies program and the Marie Skłodowska-Curie Actions program. He also received a number of scientific awards, among which the Galen Award for Pharmacology.

Professor and researcher in Animal Law, Lawyer, and President of the Animal Rights Defense Commission of the Federal District Section of the Brazilian Bar Association. Member in Brazil of the National Council for Animal Experimentation Control (representing Animal Protection Societies), Vice President of the Brazilian Society of Bioethics - SBB. Doctor and Master in Bioethics (University of Brasilia). Postgraduate studies in Animals and Society and Animal Law (University of Lisbon). Bachelor's degrees in Law (Centro Universitário de Brasília) and Biological Sciences (Federal University of Paraíba).

Dr. Iván Martín is a Veterinarian from Universidad Nacional de Colombia and holds a Master's degree in Veterinary Sciences from Universidad de La Salle, specializing in veterinary anesthesia for small, exotic, and wild species. Dr. Martín leads training processes in medical-surgical simulation and effectively utilizes digital segmentation software for diagnostic medical imaging, digital editing, and FDM model fabrication (3D printing). He currently serves as faculty in the Small Animal Internal Medicine Specialization Program within the Veterinary Medicine Department of the Faculty of Agricultural Sciences at Universidad de La Salle.

Dr. Iñaki Ochoa holds a degree in Biology and Biochemistry from the University of Navarra and a PhD from the Department of Histology and Pathological Anatomy at the same university. During his postdoctoral stage at the University of Zaragoza, he established the experimental bio-laboratory of the Materials Modeling Group (GEMM), where he studied the mechanical properties of biological tissues and how cellular behavior is influenced by mechanical stimuli using tissue engineering applications, microfluidics, and Organ on Chip technologies. Currently, he is a Full Professor in the Histology Area within the Department of Human Anatomy and Histology at the Faculty of Medicine of the University of Zaragoza (UNIZAR). He serves as the principal investigator of the Tissue Microenvironment Lab (TME Lab) at the Aragon Institute of Engineering Research (I3A) of the University of Zaragoza and the Aragon Health Research Institute (IIS Aragón). Dr. Ochoa has been appointed as the Scientific Director of the joint scientific-technical services of IACS-UNIZAR and Director of the biomedical division of the General Support Service for Research (SAI) at the University of Zaragoza.

Juan Carlos Cruz is a prominent leader in biotechnology and nanoengineering, bringing over 20 years of experience combining academic expertise with industry perspectives. Currently serving as Associate Professor at Universidad de Los Andes, he leads a dynamic team in the Department of Biomedical Engineering, focusing on managing and developing innovative technologies. He drives interdisciplinary research projects that merge academic research with practical applications of nanotechnology and biotechnology.

Dr. Cruz specializes in nanobiotechnological solutions and excels in guiding multidisciplinary teams in drug discovery, drug delivery, biomaterials, and microfluidics, enhanced by his proficiency in applying machine learning in biomedicine. With a focus on innovating nanobiotechnology and integrating it with environmental sustainability, his work contributes to sustainable solutions for our planet, revolutionizing healthcare and patient outcomes through innovative research and technology.

As a member of the Editorial Board of the Springer Nature Group and Frontiers, Dr. Cruz also serves as an editor, reinforcing his commitment to the scientific community. Furthermore, he has made significant contributions to the academic community with advancements in bioengineering technologies and has been recognized with awards such as the National Angel Escobar Award in Sciences and the Award of the National Academy of Medicine of Colombia for his work with CRISPR/Cas9 systems for the treatment of mucopolysaccharidosis and gangliosidosis.

Her research focuses on developing alternative in vitro methods to animal testing for studies including dermal and ocular irritation, sensitization, dermal photosensitization, and nanotoxicology. She has over 200 scientific publications and has presented over 250 communications and conferences at national and international congresses. She has served on the Scientific Committee on Consumer Safety (SCCS) of the European Commission, evaluating the safety of cosmetic products and ingredients. Currently, she is a member of OECD expert groups on ocular and dermal irritation and on dermal sensitization. She has contributed as an expert in the validation of alternative methods for ocular irritation at ECVAM and ICCVAM. She has directed and taught courses on alternative methods to animal experimentation at the University of Barcelona and various universities in Brazil, Mexico, Argentina, Cuba, among others. She is a member of the Animal Experimentation Commission of the Government of Catalonia as an expert in alternative methods.