Jan 28 - Febr 4 1996
Athens Medical Center and a group of specialized doctors visited Palestine for briefing, doctor training and organizing the health sector of Palestine. Responsible for Laparoscopic Surgery was K. Konstantinidis who operated, with his team, patients with acute problems.

June 14-15 1996
During the training of the Kos Hospital surgeons, many laparoscopic operations were performed.
With equipment that had been transported from Athens, patients with acute problems underwent operations, allowing doctors to observe and train.

November/December 2001
Training of the Postgraduate Students of the Athens School of Pharmacy in the Surgical Clinic (Biopharmaceutics – Pharmacokinetics Lab) in the framework of clinical practice of the Postgraduate Diploma with Specialization in Clinical Pharmaceutics

November/December 2001
Training of the Postgraduate Students of the Athens School of Pharmacy in the Surgical Clinic (Biopharmaceutics – Pharmacokinetics Lab) in the framework of clinical practice of the Postgraduate Diploma with Specialization in Clinical Pharmaceutics

October/November 2002
Training of the Postgraduate Students of the Athens School of Pharmacy in the Surgical Clinic (Biopharmaceutics – Pharmacokinetics Lab) in the framework of clinical practice of the Postgraduate Diploma with Specialization in Clinical Pharmaceutics.

November/December 2003
Training of the Postgraduate Students of the Athens School of Pharmacy in the Surgical Clinic (Biopharmaceutics – Pharmacokinetics Lab) in the framework of clinical practice of the Postgraduate Diploma with Specialization in Clinical Pharmaceutics. Also, on September 2003, a lecture was given to the students about the clinical practice.

November/December 2004
Training of the Postgraduate Students of the Athens School of Pharmacy in the Surgical Clinic (Biopharmaceutics – Pharmacokinetics Lab) in the framework of clinical practice of the Postgraduate Diploma with Specialization in Clinical Pharmaceutics. Also, on November 5th, 2005, a lecture was given to the students with subject: «Laparoscopic Surgeries».

October/November 2005
Training of the Postgraduate Students of the Athens School of Pharmacy in the Surgical Clinic (Biopharmaceutics – Pharmacokinetics Lab) in the framework of the clinical practice of the Postgraduate Diploma with Specialization in Clinical Pharmaceutics.

October/December 2006
Training of the Postgraduate Students of the Athens School of Pharmacy in the Surgical Clinic (Biopharmaceutics – Pharmacokinetics Lab) in the framework of clinical practice of the Postgraduate Diploma with Specialization in Clinical Pharmaceutics.

Aegean Team:
A group of specialized doctors of Athens Medical Center visits frontier islands. Patients are examined and minor surgeries are performed to the residents of the islands that don’t have the ability to visit big medical centers.

27-29 April 2001
Patmos

4 – 6 May 2001
Astipalaia

12-14 April 2002
Karpathos

27-29 June 2002
Ios

7-10 May 2004
Kasos

9-13 /12/2002
Voluntary service in the Surgical Clinic of the University of Belgrade with lectures and training in advanced laparoscopic operations, which could be observed by surgeons, students and other doctors using throughout the country with the use of a circuit. Also, for the accomplishment of this program, associate surgeons and the anesthesiologist of Mr. K. Konstantinidis team offered their services voluntarily, including devices from the Athens Medical Center and ENDOSKOPIKI Company.

There was also a publication in the Yugoslavian magazine «Chirurgica Iugoslavica», with a reference that the first laparoscopic surgery of hiatal hernia that was performed by the Athens Medical Group team with K. Konstantinidis as the Director.

19 November 2003
In the elections for the new Administrative Board of the Scientific Society of the Athens Medical Group, he was elected unanimously as President of the Administrative Board.

15-18/12/2005
Invited by the General Hospital of Larnaca, Cyprus, he operated on patients in the Hospital for «Adjustable Laparoscopic Lap Band placement for Morbid Obesity» in the presence of many surgeons.

19 December 2005
In the elections for the new Administrative Board of the Scientific Society of the Athens Medical Group, he was elected unanimously as President of the Administrative Board.

23 October 2006
Due to his personal persistence the Hellenic Scientific Society of Robotic Surgery is founded.

31 October 2006
The first meeting of the founder members of the Hellenic Robotic Surgical Society is held and he was elected unanimously as President.

11 November 2006
«Honoris Causa» The Pan-Karpathian Association of Rhodes pronounced him honorary member because his contribution to the medical science advancement, and especially to the General, Laparoscopic and Robot Surgery, honors his birthplace, Karpathos.

7-10 June 2007
During the 5th Pan-Hellenic Conference for Obesity Surgery, elections were held and he was voted unanimously as President of Greek Society for Bariatric & Metabolic Surgery

17-19/1/2008
Professor Irinel Popescu, director of the Surgery Clinic of Fundeni Hospital, General Surgery and Liver Transplantation Center, Surgical Oncology of the Digestive System and Laparoscopic Surgery in Bucharest Romania, invited Dr. Konstantinidis and his team to perform the first robotic operations using the DaVinci Robot in his hospital.
Bucharest, Romania