Dr. Stefanos Ioannidis was born and raised in Thessaloniki.

He studied at the Medical School of the Aristotle University of Thessaloniki and after specialized in neurology at the University General Hospital of Heraklion, gaining experience in the treatment of a wide range of neurological disorders.

Alongside his clinical work, he has been involved in teaching as an instructor for the European Resuscitation Council, with numerous contributions to Advanced Life Support (ALS) courses. He has also participated in the educational activities of the Medical School of the University of Crete and the initiatives of the Neurology Clinic at the University General Hospital of Heraklion. Additionally, he has contributed as a researcher in clinical studies and as a speaker at numerous neurology conferences.

Dr. Ioannidis is actively engaged in the treatment of headaches, multiple sclerosis, myasthenia, and clinical neurophysiology (neurophysiological studies).