Dr Rosson qualified from UCH London in 1990, and spent the folowing three years working at both Leighton Hospital and Macclesfield Hospital.  She joined the practice as a partner in 1995. In 2002, she became a GP appraiser, appraising other local GPs.

Her particular interests are in gynaecology, coil fitting, minor surgery and joint injections. She is also involved in child health surveillance and medical student education.  Dr Rosson is one of the vasectomy surgeons at the practice.  She also runs the private GP Cosmetics Service here at Ashfields performing injections of Botox and dermal fillers.