Sharlene qualified as a nurse in 2001 and has worked in various specialities. She completed a BSc (Hons) in cancer care. Since 2011, she has been a Nutrition CNS. Her role has evolved, and she is currently the Lead Nutrition CNS.

In 2023, she completed a Clinical Leadership MSc, joined the editorial board of the British Journal of Nursing Nutrition Supplements, and was a finalist for a Nursing Times Award. In March she was awarded Nutrition Nurse of the Year at the British Journal of Nursing Awards. Sharlene serves as Treasurer to the NNNG and collaborates with DRIPP for the NNNG.