Dr. Mercy Mwangangi is a prominent Kenyan public health physician, health economist, and policy expert who currently serves as the Chief Executive Officer of the Social Health Authority (SHA). Born in 1986 in Machakos County, Kenya, she has built a distinguished career in public service and global health, recognized for her leadership in health financing, systemic reform, and crisis management. She grew up in a family committed to public service; her mother, Florence Mwangangi, is a lawyer and the former Speaker of the Machakos County Assembly. Dr. Mwangangi completed her secondary education at the prestigious Pangani Girls High School in Nairobi. She went on to study at the University of Nairobi, graduating in 2009 with a Bachelor of Medicine and Bachelor of Surgery (MBChB). Driven by an interest in the intersection of healthcare and economic policy, she later pursued advanced studies at the University of Adelaide in Australia, where she obtained a Master’s degree in Health Economics and Policy in 2015. During her time in Australia, she was the recipient of the Australian Leadership Award, reflecting her demonstrated potential for high-level leadership and regional development. Dr. Mwangangi’s career in the public sector began with a medical internship at Machakos Level 5 Hospital. Following this, she worked in Meru South within the public health department. Her early commitment to the sector was marked by a period of voluntary service, where she worked without pay for 18 months in the Ministry of Health while devolution was still taking shape in Kenya. She later rose through the ranks within the Ministry, eventually serving as the Head of Health Financing and Health Economics. In this capacity, she played a key role in developing health financing strategies and contributed to the evaluation of performance contracts for the National Hospital Insurance Fund (NHIF). In 2019, at age 32, Dr. Mwangangi was appointed as the Chief Administrative Secretary (CAS) for Health under the administration of President Uhuru Kenyatta. She gained national and regional prominence during the COVID-19 pandemic, serving as a primary spokesperson and public face for the government's response. Her calm, articulate, and empathetic demeanor during daily press briefings was widely credited with helping to stabilize public anxiety and effectively communicate critical health guidelines. Beyond communications, she was actively involved in operational strategies, including contact tracing and public education. Following her tenure as CAS, Dr. Mwangangi transitioned into international non-governmental work, joining Amref Health Africa as the Senior Health Systems Strengthening Director. In this role, she focused on health security investments, resource mobilization, and expanding primary healthcare across the African continent. In April 2025, after a competitive recruitment process, the Ministry of Health announced her appointment as the first substantive Chief Executive Officer of the Social Health Authority (SHA), the institution established to replace the defunct NHIF under the Social Health Insurance Act. She officially assumed the office in June 2025. As CEO, she is tasked with leading the implementation of Universal Health Coverage (UHC) and addressing the complex institutional challenges facing Kenya’s national health insurance framework. Dr. Mwangangi is a member of the African Women in Leadership Network and has been a vocal advocate for gender-based violence (GBV) survivors, drawing on her own personal experiences to support advocacy efforts. Her work continues to focus on health governance, sustainable health financing, and strengthening health systems resilience.