Mr. Tzivanakis is a consultant surgeon with a special interest in open colorectal surgery. After gaining a BSc in Immunology, he completed his bachelor of medicine and surgery at Imperial College London in 2005. His higher surgical training was done in Wessex deanery focusing in general, laparoscopic and open colorectal surgery and he later became a fellow of the royal college of surgeons in 2016. As a research fellow in Oxford Hospitals and he was awarded a Doctor of Medicine (MD) from Cardiff University for research into the early detection of colorectal cancer. He was appointed as Consultant Surgeon in Peritoneal Malignancy Institute in Basingstoke Hospital in 2019. He now serves as one of the partners in the Basingstoke Colorectal Clinic.

Mr. Tzivanakis continues to publish his research work and enjoys presenting in the field of Peritoneal Malignancy and Colorectal surgery.

• Rectal Cancer Operations (TME surgery)
• Anal Fistula
• DGHAL + RAR (Doppler Guided Haemorrhoidal Artery Ligation + Recto Anal Repair)
• Injection of Botox and sphincterotomy
• Laparoscopic hernia repair (TEP, Incisional hernia)
• Laparoscopic Ventral Mesh Rectopexy
• Pilonidal Sinus Disease & Limberg Flap
• Pseudomyxoma Peritonei
• TEMS (Transanal Endoscopic Microsurgery) / TAMIS (Transanal Minimally Invasive Surgery )

• Peritoneal Malignancy
• Colorectal Cancer
• Appendix pathology
• Hernia (inguinal/femoral)
• IBD
• Colonoscopy

• BSc (Hons) Imperial College London 2003
• MB BS Imperial College London 2005
• MD Cardiff University 2014
• FRCS Gen Surg Royal College of Surgeons of England 2016

• Association of Coloproctogy of Great Britain and Ireland
• Association of Surgeons of Great Britain and Ireland
• European Society of Surgical Oncology
• British Medical Association