Dr. Ioannis Demetriou, MD, PhD

Surgeon, Board Certified Oncologist, Proctologist, Minimally Invasive Surgeon specialized in Robotic Surgery (Da Vinci X- & XI-System ©INTUITIVE)

Doctor of Medicine, Justus-Liebig University, Giessen, Germany

Mr. Ioannis Demetriou attended the Medical School of Justus-Liebig University, Giessen, Germany, where he successfully completed his doctoral thesis.

He specialized in the Department of General and Visceral Surgery of the University Hospital Klinikum Krefeld, Germany, and then at the University Hospital and Oncology Center Alfried Krupp Krankenhaus Essen, Germany, where in 2010 he received the Specialty in Surgery and in 2014 the Specialty in Visceral Surgery and then the Specializations in Oncological Surgery (2017) and Proctology (2019).

In 2012 he was promoted to the position of Senior Consultant (Oberarzt) and in 2018 to the position of Deputy Director (Stellvertretender Klinikleiter) of the Oncology Center Alfried Krupp Krankenhaus Essen, Germany. He was Head of the Research Center Alfried Krupp Krankenhaus Essen in pan-German oncology studies (CAO/ARO/AIO-04-Study – German Rectal Study Group, GAST-05-Study – German Advanced Surgical Study Group, MIRACLE-Study, PANCALIZE-Study).

In 2014 he obtained the official certification of the Minimally Invasive Surgery Center (MIC) of the German Society for General and Visceral Surgery (DGAV), as a Certified Surgeon (Zentrumschirurg), based on his total and annual number of surgeries and the size of the clinic he worked for. Subsequently, in 2016, he obtained official certification as a Colon and Rectal Cancer Surgeon (Darmkrebszentrum) and as a Pancreatic Cancer Surgeon (Pankreaskrebszentrum) of the German Oncology Society (DKG).

In 2019, he assumed the position of Director of the Surgical Clinic of the St. Barbara-Hospital Gladbeck and Sankt Marien-Hospital Buer Hospitals, which are Certified Oncology Centers (Augustinus Tumor Centrum – ATC) and Certified Hernia Centers (Hernienzentrum) of the German Hernia Society (DHG). In 2023, he took over the position of Director of the Surgical Clinic and the Marien-Hospital Marl University Hospital, which is a Certified Colorectal Cancer Center (Darmkrebszentrum) of the German Oncology Society (DKG), where he also served as Scientific Director.

As Director, he trained a large number of doctors to obtain a specialty-specialization title (General Surgery, Visceral Surgery, Oncological Surgery and Proctology), based on an authorization granted to him by the Westphalia-Lippe Medical Association (ÄKWL).

He currently serves as Senior Consultant/Chefarzt of Oncology and Robotic Surgery (Da Vinci X- & XI-System ©INTUITIVE) at St. Barbara-Hospital Gladbeck and Sankt Marien-Hospital Buer, Germany.

The Department of General, Oncology, Minimally Invasive & Robotic Surgery at the Athens Medical Center focuses on minimally invasive surgical methods (Laparoscopic and Robotic Surgery) and specialized Oncology Surgery. Particular emphasis is given to tumors of the colon and rectum (Colorectal Cancer) and the pancreas (Pancreatic Cancer).

The Athens Medical Center provides state-of-the-art surgical equipment and high-level diagnostic tests, to provide high-quality and human-centered medical care, always in accordance with international guidelines. The latest medical techniques and gentle therapeutic methods ensure the rapid recovery of patients.