NPF Clinical Expert Advisory Panel

Our Clinical Expert Advisory Panel is a group of specialists from surgeons to dieticians, who all have a wealth of experience working with neuroendocrine tumours. Our advisors are on hand to answer any of your queries that we can’t answer for you immediately.

Mrs Jo Grey

CEO AMEND (Association for Multiple Endocrine Neoplasia Disorders)

Jo Grey

Jo is our Specialist Patient Advisor and runs the charity AMEND, which supports people affected by multiple endocrine neoplasia disorders.


Miss Philippa Davies

Senior Matron Oncology/Haematology 

Phil Davies

Philippa Davies was formerly the lead nurse for neuroendocrine tumours at the Royal Free Hospital London. She has worked within the speciality for nine years and as a cancer nurse for 17 years. She has completed a masters in advanced cancer care and her dissertation was related to diet and neuroendocrine tumours. She is the chair for the ENETs Nurse Group and speaks nationally and internationally at conferences and meetings. She has also piloted, established and runs the NET SACT (Systemic Anti-Cancer Therapy) clinic once a week at the Royal Free.


Tara Whyand

Neuroendocrine Tumour Research and Development Dietitian

Tara whyand

Tara has specialised in diet for neuroendocrine tumour patients since 2012 and works at the Royal Free Hospital in London.

BSc (Human Biology), M.Sc (Human Nutrition & Dietetics), HCPC (UK) registered Dietitian since 2007, BDA Member, DAA Accredited Practicing Dietitian and Nutritionist, Low FODMAP Diet trained. She has a keen interest and involvement in evidence based research – including role of low FODMAP in NETs and impact and management of SIBO (small intestine bacterial overgrowth)


Elizabeth Bradley

Specialist Dietitian – Liver, HPB and NET

Elizabeth Bradley

Elizabeth has been working as a dietitian in the NHS since she qualified in 2009. She developed an interest in NETs when she started working as a specialist HPB dietitian at Addenbrooke’s Hospital in Cambridge in 2013. In 2017 she moved back to her home town of Birmingham, where she joined the liver, HPB and NET teams at the Queen Elizabeth Hospital Birmingham. 

Active member of the Nutrition Interest Group of the Pancreatic Society of Great Britain and Ireland. She has a keen interest in the management of pancreatic exocrine insufficiency.


Professor John Newell-Price

Professor of Endocrinology

Prof NewellPrice

John Newell-Price did his specialist training in endocrinology at St. Bartholomew’s Hospital, London, where he was an MRC Training Fellow from 1995-1998. He has been at the University of Sheffield and Sheffield Teaching Hospitals NHS Foundation Trust since 2000.  He leads the Sheffield ENETS European Centre of Excellence for Neuroendocrine Tumours, and from 2018 is the Chair of the UK and Ireland Neuroendocrine Tumour Society.


Dr Alex Graveling

Consultant Physician in Diabetes, Endocrinology and General Internal Medicine

Dr Graveling

Dr Graveling is a Consultant Endocrinologist in Aberdeen Royal Infirmary.  He is the sub-speciality lead for neuroendocrine and coordinates the local multidisciplinary team meeting.


Dr Christos Toumpanakis MD, PhD, FRCP 

Consultant Gastroenterologist

Dr Toumpanakis

Dr Toumpanakis is a Consultant in Gastroenterology & Neuroendocrine Tumours (NET) in the Neuroendocrine Tumour Unit – ENETS Centre of Excellence of Royal Free Hospital, London, UK, since 2007, and also Honorary Senior Lecturer at University College of London.  He is a member of the Advisory Board of the European Neuroendocrine Tumour Society (ENETS) and co-Author of UK & Ireland & ENETS Guidelines.


Dr Mohid Khan

Consultant Gastroenterologist

Dr M Khan

Lead Clinician for the South Wales Neuroendocrine Tumour Service. Clinical and academic gastroenterology, with specialist interest in gastrointestinal cancers, neuroendocrine tumours, gastrointestinal consequences of cancer therapy and quality of life with neuroendocrine tumours.


Professor Val Lewington

Professor of Clinical Therapeutic Nuclear Medicine

Prof Lewington

Professor Lewington trained in Southampton where she was Director of Nuclear Medicine from 1992-2004 before moving to the Royal Marsden NHS Foundation Trust as Consultant in Nuclear Medicine and PET CT . Professor Lewington moved to her new post as Chair of Clinical Therapeutic Medicine at King’s College London  in February 2011.


Dr Gill Vivian

Chief of Service, Consultant Radiologist and Nuclear Medicine Physician 

Dr G Vivian

Dr Vivian has been a consultant in nuclear medicine and radiology for over thirty years, and currently leads the Molecular Imaging and Therapy service at Kings College Hospital NHS Foundation Trust, London. She has clinical and research experience in oncological imaging, particularly endocrine oncology and therapy. Active member and former President of the British Nuclear Medicine Society (2008 – 2010). 


Dr Rohini Sharma

Consultant Medical Oncologist

Dr R Sharma

Rohini Sharma is a Senior Lecturer at Imperial College and is dual accredited in Clinical Pharmacology and Medical Oncology.  She is also a Consultant Medical Oncologist based at the Hammersmith Hospital campus of Imperial College Healthcare NHS Trust. Her clinical and research interests are in Hepatocellular cancer (HCC), Neuroendocrine tumours (NETs) and PET imaging.


Professor Juan Valle

Professor in Medical Oncology

Professor J Valle

Prof Valle was appointed as a Consultant in Medical Oncology at The Christie having completed his training in Medical Oncology in Manchester in 2000 and Professor in the University of Manchester in 2014. He is the lead for The Christie Neuroendocrine European Neuroendocrine Tumour Society (ENETS) Centre of Excellence and  also a member of the UK National Cancer Research Network (NCRN) Upper Gastrointestinal Clinical Studies Group. Professor Valle has been awarded a number of grants for research leading to numerous publications and presentations and national and international meetings and is a peer-reviewer for a number of international medical journals.


Professor Andrea Frilling, MD PhD FACS FRCS FEBS 

Professor of Surgery and Chair in Endocrine Surgery 

Prof Frilling

Professor Frilling received her primary medical education in Germany. After her general surgical training she specialised in endocrine surgery, hepato-pancreato-biliary surgery and oncologic abdominal surgery.She has authored ~ 400 peer reviewed scientific and clinical papers and contributed to ~ 20 books on diverse subjects on endocrine and hepato-pancreato-biliary surgery. 

She has received numerous awards including the von Langenbeck Price, the most prestigious Award of the German Surgical Society, The Endocrine Society and Pfizer, Inc. International Award for Excellence in Published Clinical Research, and the Eminent Scientist of the Year 2012 award.


We would also like to thank all members of the Clinical Expert NET Community for their time, knowledge and generosity in helping us to answer your questions . They are too numerous to list here but make a huge contribution in ensuring the information we produce and share is relevant, accurate and current.