Seasoned and results-driven public health specialist with over 15 years of extensive and credible national and international experience in infection prevention and control, health systems strengthening, and clinical research. Mary has played a key role in providing technical assistance in supporting the Ministry of Health Kenya in the establishment of the IPC program and antimicrobial resistance surveillance where she led the initiation of quality improvement process to improve IPC practices in the country and antimicrobial resistance surveillance reporting by laboratories. As a national IPC trainer and mentor, Mary has continued to provide technical assistance to the Ministry of Health in developing national IPC policy, guidelines, monitoring and evaluation framework, standard operating procedures, tools, and training curricula. Internationally, Mary provided strategic and technical guidance to the Ministry of Health Sierra Leone to review and update the national IPC strategic plan (2023-2027) and develop annual operational, monitoring and evaluation, and resource mobilization plans to facilitate the implementation of the strategic plan. Additionally, she led the review of Sierra Leone’s advanced IPC certificate course training curriculum and modules.