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Dr Alexandra Mitchell

Dr Alexandra Mitchell

I-Prehab Research Associate

12.13, 12th floor, Eastgate House, 35-43 Newport Road, Cardiff CF24 0AB


I am a Research Dietitian, and Research Associate in the School of Healthcare Sciences. Working within multi-disciplinary teams, I conduct mixed-methods research to increase understanding of, and improve, nutritional care for patients.


I am a research dietitian with a background in clinical practice. I qualified as a dietitian in 2011, with a Postgraduate Diploma in Dietetics from UWIC, and worked as an acute hospital dietitian from 2011 to 2017. I was awarded my PhD on the topic of dietary advice and management for people with an ileostomy, in 2022 from the University of Bristol.

Professional memberships

HCPC Registered Dietitian

Academic positions

Associate Research Fellow – University of Plymouth (2023)

AHP Transition Fellow in Nutrition – University of Bristol (2021-2022)



I am Research Associate for the NIHR funded I-Prehab project, mixed-methods evaluation research to enhance access, acceptance and adherence of prehabilitation to address inequity in cancer outcomes.

I am the advisory dietitian for the NIHR funded Joint-PREP study, feasibility trial of prehabilitation prior to hip or knee replacement surgery, at the University of Bristol and North Bristol NHS Trust.

I have several publications on the topic of dietary advice and management for people with an ileostomy.

My research interests include dietary advice and management for people with a stoma, and dietary management in gastrointestinal disorders and surgery.


Research links