Directory of research experts

We have world class facilities at NNUH, a range of specialist services and a host of nationally and internationally renowned experts in their field working across the Trust.

For any media interview bids, please email with your request and we will work with our clinicians to facilitate your request.


Professor Ketan Dhatariya, Consultant in Diabetes and Endocrinology is an expert in diabetes and hormone-related problems.

He is also a member of the Association of British Clinical Diabetologists, Diabetes UK, Joint British Diabetes Societies for Inpatient Care (Chair), Society for Endocrinology.


Professor Nick Levell is a Consultant Dermatologist at NNUH and Honorary Professor at UEA. His research covers many aspects of dermatology.

He is also British Association of Dermatologists Chair Therapy and Guidelines Committee and Past President and National Specialty Lead (Dermatology): National Institute for Health Research (NIHR).


John Phillips is a Consultant ENT surgeon who specialises in vertigo, dizziness, balance disorders, Meniere’s Disease, tinnitus and medical technology. He is a member of the Meniere’s Society, Barany Society and previous Chair of the British Tinnitus Association.


Tom Turmezei is a Consultant Radiologist and imaging research lead at the Trust.

His areas of expertise include:

  • Clinical research trial imaging and academic activity at NNUH
  • Clinical and research imaging of osteoarthritis
  • Vertebral cement augmentation and radiofrequency ablation techniques
  • Quantitative 3D imaging analysis techniques in musculoskeletal disease
  • Weight-bearing computed tomography (CT) of the lower limb joints
  • Medical imaging of normal human anatomy
  • Medical imaging of art objects and Ancient Egyptian artefacts


Dr Ngozi Elumogo is a Consultant in the Microbiology department at NNUH and is an expert in Clostrodium Difficile and faecal microbiota transplantation (poo transplants).


Iain McNamara is a Consultant Orthopaedic Surgeon and a member of the British Association of Surgery of the Knee, and the UK Bone and Joint Infection Registry.

Respiratory medicine

Eleanor Mishra is a consultant in Respiratory Medicine who specialises in treatment of mesothelioma, lung cancer, pleural disease and treatment of Covid-19.  She is a member of the UK Pleural Society and British Thoracic Society.


Professor Karl Gaffney is a Consultant Rheumatologist at NNUH and research lead who is an expert in Axial Spondyloarthritis (axSpA). He is also chair of the Medical Advisory Board at the National Axial Spondyloarthrtis Society and treasurer at the British Society for Spondyloarthritis.


Mr Ilias Giarenis is a Consultant Gynaecologist with an expertise in female urinary incontinence, overactive bladder, pelvic organ prolapse and recurrent urinary tract infections. He is also member of the British Society of Urogynaecology, European Urogynaecological Association, International Urogynecological Association and International Consultation on Incontinence-Research Society.