The Health Service Executive (HSE) is Ireland's national public health and social care service provider, established in 2005. It operates under the Department of Health and employs over 150,000 staff, including healthcare professionals and support workers. The HSE's mission is to support the people of Ireland in achieving their full potential by providing safe and quality health and social care services accessible to everyone.

The HSE manages a comprehensive public health system that includes primary and community care, hospital services, public health programs, emergency services, and social services. It focuses on various target groups, including children, the elderly, individuals with disabilities, and vulnerable populations. The organization is governed by a Board and funded by the government, ensuring integrated care across national services and regional health areas.