Nikolaos (Niko) Kalantzis has a BSc in Physics, a PgD in Forensic Science, an MSc in Questioned Documents and a diploma in Questioned Documents (FSSocDip). As an expert to the courts of Athens and Piraeus, Niko handles private cases and manages the Chartoularios Institute, an associate member of ENFHEX of which he is a steering committee member. Niko is also a researcher at Staffordshire University.