Petrou Vaia is a Psychiatrist and psychotherapist, maintaining a private practice in Kalamaria and providing both in-person and online appointments. She completed her medical studies at the Medical School of the National and Kapodistrian University of Athens and is a member of the Hellenic Psychiatric Association. She completed her residency at the Psychiatric Hospital of Thessaloniki and works as a private Psychiatrist. Since 2024, she has been employed as a psychiatrist at the Synthesi company, at the Estia Day Center. During her studies, she gained clinical experience in various medical fields at university clinics in Warsaw, Malta, Kaunas, and Budapest. She has attended Clinical Seminars on psychological trauma at the Institute of Psychology and Health, an introductory seminar on Group Dynamics and Group Psychotherapy, as well as numerous other seminars. She has received training in Psychodynamic Psychotherapy at Aeginiteio Hospital, in Cinematotherapy, Family and Couple Therapy, as well as in Forensic Psychiatry from NKUA. Additionally, she has participated in seminars in Psychoanalytic Psychotherapy offered by the Hellenic Society of Psychoanalysis and Psychoanalytic Psychotherapy, as well as by the Psychiatric Clinic of Ioannina in collaboration with the Hellenic Psychoanalytic Society. As part of her specialty training, she has been educated in Cognitive-Behavioral Psychotherapy, Supportive Psychotherapy, Brief Intensive Psychodynamic Psychotherapy (BIDP), and Psychoanalytic Psychotherapy.