Dr. Karekezi is a Consultant Neurosurgeon at the Rwanda Military Hospital. She graduated as a Doctor of Medicine from the University of Rwanda, College of Medicine and Health Sciences in 2009. She later graduated as a Neurosurgeon in 2016 from the Mohamed V University, World Federation of Neurosurgical Societies (WFNS)-Rabat Training Center for African Neurosurgeons.

Dr Karekezi enrolled in several neurosurgical fellowships with a special interest in Neuro-Oncology and Skull Base Surgery: at the Brigham and Women Hospital/Harvard Medical School, and later completed a Clinical Fellowship in Neuro-Oncology & Skull Base Surgery at the University of Toronto, Toronto Western Hospital, Toronto, Canada. Upon her return home to Rwanda in July 2018, Dr Karekezi became Rwanda’s First Female Neurosurgeon.