Dr. Trigonakis graduated from Heidelberg Medical School in 1985 specialising in General Surgery at Nordenham Hospital and Sankt-Rochus-Hospital Castrop-Rauxel.


He specialised in Laparoendoscopic Surgery and Thoracoscopic Surgery (VATS) and is a member of both the European and Hellenic Endoscopic Surgery Associations, among others, since 1993.

In 1996 he obtained his German specialisation of Vascular Surgery, which was followed in Greece in 1997, and was awarded the European title of Vascular Surgery in Venice (The European Board of Surgery Qualification in Vascular Surgery , FEBVS).

From 2001 he is the Head of the Vascular Surgery Department of EUROMEDICA General Clinic, in Thessaloniki.