Ioanna-Maria Papatheou is a certified Clinical Psychologist and maintains a private practice in Marousi, near the ISAP station. She is a graduate of the Department of Psychology at the National and Kapodistrian University of Athens, with three years of postgraduate studies in Clinical Psychology from the same university, and is a trainee member of the Hellenic Society of Psychoanalytic Psychotherapy for Children and Adolescents. She is trained through educational seminars in the psychoanalytic approach for adults, children, and adolescents and has completed clinical training in dynamic group therapy in psychiatric settings from the Hellenic Society of Psychoanalytic Group Psychotherapy. Additionally, she has been trained in the psychodiagnostic assessment of children, adolescents, and adults using psychometric and projective tools [Intelligence Tests WISC-V, WAIS-IV, and projective tests Thematic Apperception Test (T.A.T.), Children's Apperception Test (C.A.T.), and Rorschach Inkblot Test (R-PAS)]. In private practice, she works with children, adolescents, and adults, providing individual psychotherapy and psychometric assessments. Furthermore, she possesses significant clinical experience, having worked as a Clinical Psychologist in therapy centers for children and adolescents, and as a practicing Psychologist in clinical settings, such as the Day Center for Children "To Litharaki," the Adult Department of the Community Mental Health Center of Vyronas - Kaisariani, and the Adult Psychiatric Department of the General Hospital of Athens "Sismanoglio - Amalia Fleming."