Dr. Nunn received her B.Sc. with honors in Microbiology in 1987 from the University of Newcastle Upon Tyne, UK. She then studied at The Queen’s University of Belfast where in 1992 she was awarded a Ph.D. in Anatomy. Following on from this she spent just under two years at Ross University as an Assistant Professor of Anatomy. She returned to the UK in 1995 to commence employment as a Lecturer in Anatomy at the University of Leeds, where she was primarily involved in teaching medical students, in addition to carrying out research in the field of Helicobacter pylori. She was also Program Manager for the Human Biology degree.
In 2001 she was recruited to set up the Department of Anatomy at the University of Durham UK, an institution that was going to admit their first cohort of medical students that year. As Senior Lecturer in Anatomy her responsibilities were not limited to anatomy. She had many administrative duties including Deputy Chair of the Board of Examiners and Director of the Clinical Skills Laboratory. During her time at this institution her research focused on medical education and as an adjunct to this she served as a council member on the Association for the Study of Medical Education (ASME). While at Durham she was awarded a University Excellence in Learning and Teaching Award.
In 2006 she returned to the University of Leeds as a Senior Lecturer in Anatomy. She was Program Leader for the Intercalated degree in Anatomy as well as Administrative Leader for the control and movement module associated with the medical degree. She was responsible for all of the embryology and the majority of the histology teaching to medical and dental students. In addition to delivering lectures, she taught gross anatomy lower limb lectures, and all labs to medical, dental and science students. She was also an invited Reviewer for the National Teaching Fellowship Scheme. During her time at Leeds she was the recipient of either the first and/or second year Medical Teacher of The Year award (TOTY) on five occasions.
Dr. Nunn relocated full time to Ross University in September 2013, having continued to maintain her links with Ross University in the role of Visiting Professor of Anatomy since 1995. On the 1st January 2014 she became interim chair in anatomy. Dr. Nunn is a member of the Anatomical Society of Great Britain and Ireland, British Association of Clinical Anatomists, and the Association for the Study of Medical Education (ASME). She has numerous papers in peer-reviewed journals in the fields of gastrointestinal anatomy and pathology and medical education.