Dr Savvidis specialises in treating patients with hypertension, dyslipidaemia, and diabetes mellitus. He attended the annual post-training seminars on hypertension from 2001 to 2010, conducted by the Hellenic Society for the Study of Hypertension, as well as the annual post-training courses on diabetes mellitus in 1999, conducted by the University Pathology Clinic of the Hippocrateon General Hospital.