Prof. Musibi is Professor and a Medical Oncologist. She currently serves as the Head of the Haemato-Oncology Unit at the Kenyatta National Hospital, Cancer Treatment Centre – TNH and is the Lead Oncologist at Kenyatta National Hospital in Othaya.

She has vast experience in clinical care of patients within the National and International Practice Guidelines and actively participates in the different institutional multidisciplinary tumour boards. She undertakes teaching and dissertation supervision of Medicine postgraduate students at the Aga Khan University, and Medical Oncology Fellows at the University of Nairobi. She regularly engages in audits, research, curriculum development in Oncology, conference presentations and attends various local and international oncology meetings.

Prof Musibi participates in several Community Health Education activities with a focus on enhancing skills for Primary Health-care providers (medical officers, clinical officers and nurses) through the ELEWA Cancer Foundation platform.

She continually takes up advisory roles as requested by the Ministry of Health, Kenya in the realization of the Cancer Control and Prevention Act. She is a member of KESHO, ASCO, ESMO, KAP, KMA.