Charlotte McArdle explained

Charlotte McArdle is the Chief Nursing Officer for Northern Ireland. She began her nursing training at Beaumont Hospital in Dublin in 1988, qualifying in 1991. Her career has seen her work in both the Republic of Ireland and Northern Ireland. She was appointed as Chief Nursing Officer by the Department of Health in 2013, and has served in that role during the COVID-19 pandemic.^{[1] [2]}

Notes and References

1. Web site: Professor Charlotte McArdle – NIPEC. Northern Ireland Practice and Education Council for Nursing and Midwifery. 19 October 2017. https://web.archive.org/web/20171019221340/http://www.nipec.hscni.net/about-us/council-membership/nipec-council-profcharlottemcardle/. 19 October 2017. dead.
2. News: Covid-19: Hospital pressures mount as ICU numbers increase. 26 July 2021. 27 July 2021. www.bbc.co.uk.