
Dr. Atif Alvi
Obesity and Bariatric Surgeon
- Dr. Atif Alvi is a well-known General Surgeon with 23+ years of experience in colorectal, general, and laparoscopic surgeries.
- He has performed more than 400 open, more than 600 laparoscopic colorectal operations, and more than 4000 colonoscopies with a completion rate of more than 98%.
- He completed all his education in the UK and Ireland, where he earned his M.Sc from Imperial College, London, and MRCS from the Royal College of Surgeons, Edinburgh.
- He was awarded a certificate of completion of training (CCT) in September 2010.
- He has also completed a Fellowship in Laparoscopic Colorectal Surgery.
- He has completed the Training the Trainers course in colonoscopy from St. Mark’s Hospital London and has been accredited by JAG as a trainer.
- Dr. Alvi possesses specialised skills to perform laparoscopic surgery for inflammatory bowel disease and follows an enhanced recovery pathway (ERP) and treatment of haemorrhoids, anal fistula, fissures, and gallstones and offers colonoscopy.
- He is a proficient surgeon who also performs Transanal Endoscopic Microsurgery (TEMS) and Transanal Minimally invasive surgery (TAMIS) for large rectal polyps and small cancers in geriatric patients when surgery is not advisable.
- He has a special interest in treating haemorrhoids with highly sophisticated techniques such as RAFAELO (Radiofrequency ablation), Laser treatment, Stapled Haemorrhoidectomy, HALO procedure, banding and Phenol injection.
- Dr. Alvi holds professional memberships of the Royal Society of Medicine and the European Crohn's and Colitis Organisation.
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- Dr. Atif Alvi is a well-known General Surgeon with 23+ years of experience in colorectal, general, and laparoscopic surgeries.
- He has performed more than 400 open, more than 600 laparoscopic colorectal operations, and more than 4000 colonoscopies with a completion rate of more than 98%.
- He completed all his education in the UK and Ireland, where he earned his M.Sc from Imperial College, London, and MRCS from the Royal College of Surgeons, Edinburgh.
- He was awarded a certificate of completion of training (CCT) in September 2010.
- He has also completed a Fellowship in Laparoscopic Colorectal Surgery.
- He has completed the Training the Trainers course in colonoscopy from St. Mark’s Hospital London and has been accredited by JAG as a trainer.
- Dr. Alvi possesses specialised skills to perform laparoscopic surgery for inflammatory bowel disease and follows an enhanced recovery pathway (ERP) and treatment of haemorrhoids, anal fistula, fissures, and gallstones and offers colonoscopy.
- He is a proficient surgeon who also performs Transanal Endoscopic Microsurgery (TEMS) and Transanal Minimally invasive surgery (TAMIS) for large rectal polyps and small cancers in geriatric patients when surgery is not advisable.
- He has a special interest in treating haemorrhoids with highly sophisticated techniques such as RAFAELO (Radiofrequency ablation), Laser treatment, Stapled Haemorrhoidectomy, HALO procedure, banding and Phenol injection.
- Dr. Alvi holds professional memberships of the Royal Society of Medicine and the European Crohn's and Colitis Organisation.

Dr. Lisa Sharkey
Medical GastroenterologistDr. Lisa Sharkey is a distinguished, UK-trained Consultant Gastroenterologist and Hepatologist with over 22 years of clinical excellence. She holds a subspecialty focus in intestinal rehabilitation, clinical nutrition, inflammatory bowel disease (IBD), and multi-visceral transplantation. Passionate about empowering patients through personalized, evidence-based care, she strongly integrates nutritional education into her therapeutic treatment plans. Dr. Sharkey's philosophy centers on holistic, comprehensive gastrointestinal management, leveraging her world-class academic background from the University of Cambridge to dramatically improve patient quality of life and long-term clinical outcomes.
Why Choose Dr. Lisa Sharkey?
- World-Class Academic Pedigree: Dr. Sharkey has graduated with First Class Honours from the prestigious University of Cambridge and awarded the Fellowship of the Royal College of Physicians of London (FRCP) in 2019.
- Pioneer in Intestinal Rehabilitation: She has spearheaded the highly successful intestinal transplant program at Cambridge University Hospitals (Addenbrooke's) for seven years, driving it to achieve some of the world's best clinical outcomes.
- Global Nutrition Authority: She serves as an invited member of the NNedPro Global Centre for Nutrition and Health, an international speaker on clinical nutrition, and was the national nutrition representative for the British Society of Gastroenterology for over five years.
- International Leadership in Transplant: Elected as a council member of the International Intestinal Rehabilitation and Transplant Association (IRTA), Dr. Sharkey directly influencing global protocols for intestinal failure and multi-visceral transplantation.
- Comprehensive Diagnostic Expertise: She is exceptionally proficient in managing complex GI complications arising from organ transplants, cancer treatments, and systemic diseases, providing top-tier, specialized care tailored to complex patient needs.
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Dr. Lisa Sharkey is a distinguished, UK-trained Consultant Gastroenterologist and Hepatologist with over 22 years of clinical excellence. She holds a subspecialty focus in intestinal rehabilitation, clinical nutrition, inflammatory bowel disease (IBD), and multi-visceral transplantation. Passionate about empowering patients through personalized, evidence-based care, she strongly integrates nutritional education into her therapeutic treatment plans. Dr. Sharkey's philosophy centers on holistic, comprehensive gastrointestinal management, leveraging her world-class academic background from the University of Cambridge to dramatically improve patient quality of life and long-term clinical outcomes.
Why Choose Dr. Lisa Sharkey?
- World-Class Academic Pedigree: Dr. Sharkey has graduated with First Class Honours from the prestigious University of Cambridge and awarded the Fellowship of the Royal College of Physicians of London (FRCP) in 2019.
- Pioneer in Intestinal Rehabilitation: She has spearheaded the highly successful intestinal transplant program at Cambridge University Hospitals (Addenbrooke's) for seven years, driving it to achieve some of the world's best clinical outcomes.
- Global Nutrition Authority: She serves as an invited member of the NNedPro Global Centre for Nutrition and Health, an international speaker on clinical nutrition, and was the national nutrition representative for the British Society of Gastroenterology for over five years.
- International Leadership in Transplant: Elected as a council member of the International Intestinal Rehabilitation and Transplant Association (IRTA), Dr. Sharkey directly influencing global protocols for intestinal failure and multi-visceral transplantation.
- Comprehensive Diagnostic Expertise: She is exceptionally proficient in managing complex GI complications arising from organ transplants, cancer treatments, and systemic diseases, providing top-tier, specialized care tailored to complex patient needs.

Dr. Pooja Khanna
Medical GastroenterologistDr. Pooja Khanna is a highly esteemed Gastroenterologist and Hepatologist with over two decades of clinical experience in managing complex digestive and liver disorders. With extensive specialist training at premier tertiary centres in London, including King's College Hospital and the Royal Free Hospital, she excels in advanced interventional endoscopy and transplant-related hepatology.
Why Choose Dr. Pooja Khanna?
- Former NHS Clinical Lead: Gained extensive administrative and clinical leadership experience serving as the Clinical Lead for Gastroenterology, Hepatology, and Endoscopy at Luton and Dunstable Hospital in the UK.
- Academic and Research Authority: Serves as an Adjunct Associate Clinical Professor at Gulf Medical University and boasts a robust international research portfolio with a specific focus on viral immunology and Hepatitis B.
- Leadership in Patient Safety: Appointed as the Chair of the Clinical Audit Committee at King's College Hospital Dubai, underscoring her dedication to upholding stringent clinical governance and international healthcare quality.
- Comprehensive Endoscopic Skills: Highly proficient in both diagnostic and advanced therapeutic endoscopy, including level 2 polypectomy, oesophageal stenting, and the management of upper gastrointestinal bleeding.
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Dr. Pooja Khanna is a highly esteemed Gastroenterologist and Hepatologist with over two decades of clinical experience in managing complex digestive and liver disorders. With extensive specialist training at premier tertiary centres in London, including King's College Hospital and the Royal Free Hospital, she excels in advanced interventional endoscopy and transplant-related hepatology.
Why Choose Dr. Pooja Khanna?
- Former NHS Clinical Lead: Gained extensive administrative and clinical leadership experience serving as the Clinical Lead for Gastroenterology, Hepatology, and Endoscopy at Luton and Dunstable Hospital in the UK.
- Academic and Research Authority: Serves as an Adjunct Associate Clinical Professor at Gulf Medical University and boasts a robust international research portfolio with a specific focus on viral immunology and Hepatitis B.
- Leadership in Patient Safety: Appointed as the Chair of the Clinical Audit Committee at King's College Hospital Dubai, underscoring her dedication to upholding stringent clinical governance and international healthcare quality.
- Comprehensive Endoscopic Skills: Highly proficient in both diagnostic and advanced therapeutic endoscopy, including level 2 polypectomy, oesophageal stenting, and the management of upper gastrointestinal bleeding.
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