Weight Loss Surgeons

Weight Loss Team & Surgeons

Our surgeons are the UK’s leading consultants specialising in weight loss surgery, so as well as specialising in general and upper gastrointestinal surgical work they all have one thing in common, they are committed to providing clinical excellence and the best possible care to their patients.

They are UK based and they are all NHS consultants too. Our team has the experience and expertise in this specialist area of treatment. Our specialist nurses work closely with the surgeons to deliver our unique weight management programme, making sure you have the care and treatment you deserve to achieve your health goals.

With the Gateway team you can relax, knowing that you are in the best hands for your treatment and aftercare.

The Gateway Health Team

Andrew Kemp – Consultant NurseAndrew kemo

Andrew Kemp qualified as a Registered Nurse in 1984. He has spent most of his career in Acute and emergency surgical work. In 2006 he attended the American Society of Bariatric Surgeons where he completed the Advanced Bariatric OR nurses course – the only nurse working in Europe to have done so. He also attended the Inamed master class and workshops in gastric banding.

He now works as an independent advisor in Bariatric surgical procedures. He has recently started to offer his services training nurses/ dieticians in the clinical safe adjustment of gastric bands. Andrew also appears on the Anne Diamond web site “fat happens” as an expert in weight loss surgery.

He is a member of the teaching faculty of the Royal College of Surgeons of England, where he supports courses for Consultant surgeons three times a year. He is also a member of the RCS group which looks at the way in which surgeons are trained now and in the future.

He holds additional specialist qualifications in;
Operating department practice
Bariatric surgery
Infection Control
Health and Safety


Louise Hague – Consultant Nurse

Louise KingLouise qualified as a Registered Nurse in 1990-specialising in Mental Health. She is registered with the NMC and is a member of the Royal College of Nursing. Since 1990 she has worked in several areas of psychiatry and general medicine. Louise holds the Master Practitioner qualification in Eating Disorders and Obesity. Louise is also a qualified EFT (Emotional Freedom Technique) practitioner.

She has been working with Gateway Health as a consultant Nurse since 2007.

She was part of the professional team who developed the Gateway Health Lifestyle Programme which has produced fantastic results amongst Gateway Health patients. This study was independently published in the Medical Journal ‘AUGIS’ (Association of Upper Gastrointestinal Surgeons of GB and Ireland) in 2008.


Nerissa Walker- Specialist Bariatric Dietitian

Nerissa  is a registered Dietitian with extensive experience of nutrition and dietetics in obesity and bariatric surgery.

Nerissa has practised as a specialist dietitian in bariatric surgery for approximately nine years alongside Mr Roger Ackroyd in Sheffield, which is
one of the most experienced and active bariatric surgery units in the UK.

Nerissa is an affiliate member of the British Obesity and Metabolic Surgery Society (BOMSS) and a member of the BOMSS dietitians committee. She is
also a member of British Dietetic Association (BDA) and Dietitians in Obesity Management (DOM UK).

Nerissa has developed bariatric diet sheets together with bariatric patient literature with the BOMSS dietitians committee members which are used
widely across the UK. She also acts as an expert dietitian in bariatric legal cases.

Nerissa is also a member of the National Obesity Forum (NOF) and International Federation for Obesity Surgery (IFSO).

NerissaI lectures both locally and nationally upon dietetic and nutrition related aspects of bariatric surgery primarily to dietitians and other health  care professionals and actively trains and clinically supervises other
dietitians.


Weight Loss Surgeons:

Our surgeons are the UK’s leading consultants specialising in weight loss surgery, so as well as specialising in general and upper gastrointestinal surgical work they all have one thing in common, they are committed to providing clinical excellence and the best possible care to their patients.

They are UK based and they are all NHS consultants too. Our team has the experience and expertise in this specialist area of treatment. Our specialist nurses work closely with the surgeons to deliver our unique weight management programme, making sure you have the care and treatment you deserve to achieve your health goals.

With the Gateway team you can relax, knowing that you are in the best hands for your treatment and aftercare.

Mr Roger Ackroyd

Roger Ackroyd

Roger Ackroyd qualified in medicine from Sheffield University in 1989. He trained in general and upper GI surgery in Sheffield and in Adelaide, South Australia. He took up a consultant appointment in Sheffield in 2001 and specialises in upper GI surgery.

His main clinical interests include oesophago-gastric cancer surgery, laparoscopic surgery and bariatric surgery. He also runs an active research programme. His main research interests include ablation therapy for Barrett’s oesophagus and oesophageal cancer, clinical trials comparing different types of anti-reflux surgery and evaluating the metabolic effects of obesity surgery.

He has an extremely busy bariatric surgery practice, he has performed in excess of 3500 obesity procedures. He offers all types of obesity procedures, both open and laparoscopic, including revisional surgery.

The most common operations offered by him include laparoscopic gastric band, laparoscopic roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy.


Dr Asif Naqvi

Dr A Naqv

Dr Asif Naqvi FRCP is a senior consultant Gastroenterologist at Diana Princess of Wales NHS Hospital and St Hughs Hospital in Grimsby North East Lincolnshire UK.

He provides comprehensive Gastroenterology services both in NHS and private sector. He has special expertise in the endoscopic insertion of Intragastric Balloons and runs a successul weight reduction programme with Gateway Health. His research and audit interests cover many aspects of gastrointestinal medicine and he runs an active teaching programme.


Prof. Nadey Hakim

KCJSJ , MD , PhD, FRCS, FRCSI, FACS, FICS

Photo by Lord Snowdon

nadey-hakim-portrait-by-Lord-Snowdon

Nadey S Hakim is a General, Bariatric and Transplant Surgeon. He is the Surgical Director ofthe West London Transplant Unit based at the Hammersmith Hospital. He has a particular interest and expertise in kidney and pancreas transplantation. He is a Fellow of the American Society of Bariatric Surgeon. He obtained his MD from Paris Rene Descartes University; he received his surgical training at Guy’s Hospital in London , PhD in small bowel transplantation from University College London. He completed a Gastrointestinal Fellowship at the Mayo Clinic and a Multiorgan Transplant Fellowship at the University of Minnesota .

Professor Hakim successfully started the first Pancreas Transplant Program in the SE of England. From the administrative point of view he is the Editor in Chief of International Surgery, a prestigious peer reviewed journal and on the Editorial board of Transplant Proceedings, Graft, Experimental and Clinical Transplantation and of several other journals.

Professor Hakim is a Member of the Kidney-Pancreas Committee of the American Society of Transplant Surgeons (ASTP), Past President of Transplantation Section of the Royal Society of Medicine. He was part of the Working Party to Review Organ Transplantation in the UK . He has represented Britain in the International team which has performed the world’s first arm Transplant and the world’s first double arm Transplant. He has given numerous presentations in the UK and throughout the world.

Professor Nadey S Hakim has been awarded an Honorary Professorship of Sao Paolo, University of Lyon , University of Lima Peru and University of Beshkent Ankara and has been a visiting Professor at several prestigious centres including Harvard University .

He has recently been awarded the 2007 J. Wesley Alexander Prize for outstanding Research in the field of Transplantation.


About our Lead Plastic Surgeon

sultan-hassanSultan Hassan is a Consultant Plastic Surgeon with over 10 years experience in postgraduate medical teaching and training. He has taught allied health professionals, medical students, undergraduates and postgraduate doctors. This has included training junior surgeons, SpR’s, GP’s GPwSI (Dermatology) and SpR’s in Plastic Surgery. Sultan was involved with the formation of the Primary Care Training Academy (PCTA) in 2007, that is the national training centre for the PCTA based in Birmingham. The Primary Care Minor Surgery courses are widely regarded as the probably the best of their type available in the UK today. The course have been approved by the West Midlands Postgraduate Deanery, RCGP epass and CORAS Approved. Mr Hassan has gathered an experienced, expert faculty teaching team of surgeons, dermatologists and nurse specialists that provide training of the highest quality. Specialising in reconstructive, breast and cosmetic surgery, Sultan Hassan regularly holds clinics in London, Birmingham, Cardiff, the Southwest, the Midlands and the North of England.
This experienced surgeon is held in high regard by his colleagues as well as the many patients he has treated over the years. Sultan Hassan believes in the power of cosmetic surgery to transform lives and to help individuals regain their self-confidence.
Not content with mastering his trade, Mr Hassan also writes and teaches about surgery in order to share his knowledge with others. While learning his craft, Mr Hassan was privileged to work alongside some of the most distinguished plastic surgeons in the world. Today, Sultan Hassan contributes articles and book chapters on plastic surgery as well as lecturing on all aspects of his profession.
When it comes to performing surgery, Sultan Hassan is a perfectionist. This meticulous approach enables patients in his care to relax, safe in the knowledge that they are receiving the highest standards of care available in the UK. Mr Hassan’s qualifications are a testament to his skills: as well as being a fully-qualified GMC registered Consultant Plastic, Reconstructive, Breast, Cosmetic & Aesthetic Surgeon, he is a member of:

  • British Association of Aesthetic Plastic Surgeons (BAAPS)**
  • British Association of Plastic, Reconstructive and Aesthetic Surgeons (BAPRAS)**
  • American Society of Plastic Surgeons (ASPS)
  • Association of Breast Surgery (ABS)
  • British Association of Surgical Oncology (BASO)

Mr Hassan has successfully been awarded prestigious fellowships:-

  • FRCS(Eng) – Royal College of Surgeons of England
  • FRCSEd – Royal College of Surgeons in Edinburgh
  • FRCS(Plast) – Specialist Fellowship in Plastic, Reconstructive and Aesthetic Surgery

In addition, Mr Hassan is on the General Medical Council (GMC) Specialist Register for Plastic Surgery, entitling him to hold a Consultant Plastic Surgeon post in the NHS.

In the cosmetic surgery industry, Sultan Hassan’s dedication and expertise are second-to-none. His impeccable track record speaks for itself.

** Mr Hassan is currently a trainee associate – full membership pending