Dr. Jongo Said Abdallah is a Physician specialized in Internal medicine and the head of theIHI Clinical Trials Unit. As a senior research scientist his scientific knowledge and clinical expertise cut across the spectrum from the diagnosis, treatment and care to conducting advanced clinical research and managing clinical trials. He is leading a team of scientists and non-scientists in designing and conducting phase 1 to phase 3 Good Clinical Practice (GCP) compliant studies as well as analysis and reporting for regulatory review and licensure. His work is focused on conducting high quality clinical trials on the diseases of public health importance, mainly focusing on malaria and non-communicable diseases. His malaria research involvement include; the assessment of safety and efficacy of novel antimalarials and transmission blocking potential as well as models for prevention; assessment of safety and efficacy for novel Good Manufacturing Practice (GMP) certified malaria vaccine candidates for malaria control and elimination; and mechanism for efficient translation of research results into policy improvement and community well-being. He is an active member of the International Plasmodium falciparum Sporozoite Consortium (I-PfSPZ-C), and is actively involved in mapping out the clinical development pathway for the PfSPZ-based vaccines, in which thirty-seven research groups in 15 countries, are collaborating to advance candidate vaccines based on injectable Plasmodium falciparum (Pf) sporozoites (SPZ). He is currently, the principal investigator for the “Clinical Trial to Evaluate the Safety and Immunogenicity in Age De-Escalation of Direct Venous Inoculation of a Plasmodium falciparum Sporozoite Vaccine in Tanzanian Adults, Children, and Infants” in which the safety of the PfSPZ vaccine is being assessed for the first time in the world in pediatric population including infants from 6 months old and the efficacy for higher doses of PfSPZ vaccine is being assessed in African adult population.