Lisa "Duffy" Fairhead (née Duffin, formerly Bower; born 11 March 1961) is a senior ward sister who currently works in the emergency department of Holby City Hospital. She initially worked in the ED from 1986 to 1993, and later rejoined the department in 1998. She left again in 2003, but visited the ED multiple times during her time working as an agency nurse after this. In 2016, she made a permanent return to the department following the catastrophic helicopter crash. During her time working at the ED, her roles have included that of a staff nurse, senior staff nurse, ward sister and senior ward sister, the latter of which she currently holds in a band 7 position.