CLARA GORODEZKY, Prof. PhD, DSc.Head of The Department of Immunology & Immunogenetics, at The Instituto de Diagnóstico y Referencia Epidemiológicos of The Secretary of Health in Mexico City, MexicoProfessor Clara Gorodezky is the Head of The Department of Immunology and Immunogenetics of The Instituto de Diagnóstico y Referencia Epidemiológicos of the General Direction of Epidemiology at The Secretary of Health in Mexico, since 1983. Her undergraduate training at the National Autonomous University of Mexico (UNAM) was in Pharmaco-Biological and Chemistry Sciences and her Masters and PhD degrees were on Immunology. Her first role was as an associate scientist at the Laboratory of Immunology of The Secretary of Health in Mexico City, where she pioneered the area of Histocompatibility in Mexico, together with her mentor, Prof. Mario Salazar Mallén. She published the first scientific worldwide papers on the diversity of Mexican Mestizo population and Mexican Nahuas and Otomies. in 1972 and was a world pioneer in HLA and disease with her publications on HLA and disease in lepromatous leprosy and autoimmune diseases in Mexicans in 1973.