Nikolidaki Eleni is a Child Psychologist, School Psychologist, and Systemic - Family Psychotherapist. She completed her undergraduate studies in Psychology at the National and Kapodistrian University of Athens. Additionally, she trained in Synthetic – Systemic and Family Psychotherapy (SY.MO.SY.TH) at the Laboratory for the Investigation of Human Relations. Concurrently, she holds certifications in Special Education from the University of Patras, in the Psychology of Children's Drawing from the Hellenic Open University, and in School Psychology from the University of Western Attica. She works as a Psychologist in public school units and institutions in both Primary and Secondary Education, while also collaborating privately with special education centers, nursery, and kindergarten schools, providing psychological support to children and parental counseling. She also conducts parenting schools as well as training sessions for educators and parents. Moreover, she volunteers as a psychologist at the Non-Profit Organization "EXARTISI," based in Thessaloniki, which aims to promote mental health and combat addictions. Together with the team, she has created a series of children's books concerning the addiction cycle and the "Smoking Cessation Diary for Adolescents aged 15-18." Previously, she has worked as a psychologist and mental health counselor on the nationwide counseling line 11525 "Union, Together for the Child," with the "Health Allies" of the Medical School of the University of Athens, and as a trainee psychologist at the Hellenic Center for Mental Hygiene and Research in the child and adolescent unit (E.KE.PSY.E.). She currently practices in her private office in Neo Psychiko, primarily conducting individual sessions with adolescents and adults.