Dr. Osvaldo López Díaz holds a Bachelor's degree in Veterinary Medicine and Animal Husbandry from the Universidad Nacional Autónoma de México (UNAM), a Master's degree in Agricultural Sciences from the Universidad Autónoma Metropolitana Unidad Xochimilco (UAM-X), and a Ph.D. in Veterinary Sciences from the University of Murcia, Spain, specializing in Wildlife Ecopathology with an emphasis on Anatomical Pathology. He holds postgraduate diplomas in Domestic and Wildlife Hematopathology, Clinical Biochemistry, and Cytopathology. He previously served as Coordinator of the Pathology Area at the General Directorate of Zoos and Wildlife of Mexico City, receiving the 2011 Public Administration Award from the Government of Mexico City in recognition of his public service.

He currently serves as Head of the Veterinary Histopathology Laboratory at UAM Xochimilco, overseeing teaching, research, and professional activities. He is a member of the Mexican Society of Veterinary Pathology and the Latin American Society of Veterinary Clinical Pathology. His research integrates anatomical and clinical pathology tools applied to wildlife, focusing on infectious processes and pathological alterations in species of conservation concern, such as the Xochimilco axolotl (Ambystoma mexicanum).

He has authored five chapters in the book "Collection and Conservation of Wildlife Samples under Field Conditions." His recent scientific publications include peer-reviewed articles in international journals such as Diseases of Aquatic Organisms (2026), Antonie van Leeuwenhoek (2025), International Journal of Molecular Sciences (2024), and PLoS Neglected Tropical Diseases (2023).