Doctor in Medicine and Surgery, Master in Immunology, PhD in Pharmaceutical Sciences and Specialist in Clinical Allergology. Honorary Professor of the University of Cartagena. Senior Professor of Medicine and Allergy and Director of the Institute for Immunological Research, University of Cartagena, Cartagena de Indias, Colombia. Director of the Biomedical Sciences PhD Program of the University of Cartagena. For 40 years has been committed to educating undergraduate and graduate (Master and PhD) students. Author of more than 150 scientific articles and several books and book chapters. He has made and is currently making significant contributions to the field of experimental allergy, basically studying the environmental and genetic factors for asthma in the tropics, including the microbiota composition. He is an expert on mite allergens and has discovered several allergens from Blomia tropicalis as well as allergens and immunomodulatory components from the nematode Ascaris lumbricoides and their importance in the pathogenesis of allergic diseases in the tropics. Current Associated Editor of WAO Journal and Frontiers in Allergy. Former member of the WAO Board of Directors and Past President of the Colombian Association of Allergy Asthma and Immunology.