Liseth Lourdes Arias López, Medical doctor graduated from the Universidad Mayor de San Andrés (2000); Master in public health specializing in epidemiology, Universidad Mayor de San Andrés (2002); she did a course in HIV Prevention and Control measures in Japan International Cooperation Agency (2010), and is Ph.D. student of Public Health in Universidad San Francisco Xavier. Dr. Arias has worked as a Profesor in various postgraduate programs at Universidad Mayor de San Simón, Universidad Siglo XX, Universidad San Francisco Xavier y Universidad del Valle. She had been Director of Medicine at the Franz Tamayo University, and had been working as a Research Director of Medicine for the Universidad Técnica Privada Cosmos. She was in charge of research at the Instituto para el Desarrollo Humano. She has experience in traditional medicine as a consultant in the Bolivian Health Ministry – Health Reform Program and also has experience supporting The Care Program of Prevalent Diseases of Children for the Bolivian Health Ministry. During this period she was involved in research projects focusing on the epidemiology of HIV, sexual and reproductive health, gender, especially between children and adolescents, and Primary Health Care.