Dr. Fat-hiya is a pediatric hemato-oncology fellow at Muhimbili University of Health and Allied Science (MUHAS). She holds a bachelor's degree Doctor of Medicine from the University of Dar es Salaam, Tanzania, Muhimbili University College of Health Science and a Master of Medicine in Pediatrics and Child Health from International Medical and Technological University (IMTU), Dar es Salaam Tanzania. She is a Lecturer at The State University of Zanzibar, School of Health and Medical Sciences where she teaches and supervises medical students. She is also a Pediatrician at Mnazi Mmoja Referral Hospital, Zanzibar and in charge of Sickle Cell Clinic. She. She is acting head of the department of Pediatric. Her career focuses on the provision of standard care to patients as well as capacity building in research on various diseases in Paediatric, especially on hematological and oncology related. She is a Member of Tanzania National committee for verification of Measles elimination, Zanzibar committee for investigation of adverse events following immunization, Tanganyika Medical council, and a member of the Paediatric Association of Tanzania Zanzibar Medical Board. She is a Satellite Coordinator-Zanzibar for Sickle Pan-African Research Consortium (SPARCO)-Tanzania.