Psychologists

Ana de la Guía is a qualified Clinical Psychologist and Psychotherapist and professional license holder. After completing her five-year studies in Psychology at the University of Jaén, Spain, she continued her studies at the University of Málaga in a pre-doctoral master's degree in Social Research and Intervention. After that, she specialized in a four-year certified program by the European Association for Psychotherapy in Person-centered Psychotherapy at the College of Humanities ICPS in collaboration with the University of Strathclyde (Scotland). Later, she completed a two-year master's degree in Clinical Psychology at the University of Elche, Spain. Ana has also specialized in cognitive behavioral therapy as a Bachelor's and Master's approach and she has completed the first level of EMDR in trauma. In this moment, she has just completed her specialization in sexual therapy from the University of Valencia. As a personal interest, she studies existential psychology, as well as philosophy and anthropology. She is currently taking a training program in Couples Counseling Therapy at KETHESY. During her professional career she has worked in the public and private sectors in Spain and in Greece providing psychotherapy services in different contexts as well as psychosocial intervention in international organizations such as the UN High Commissioner, International Organization for Migration or the Greek Forum of Refugees. In recent years until today, she has been working privately providing individual and group sessions for adults and teenagers, educational programs and workshops as well as personal development retreats.

Ntente Myrto is a Psychologist, Psychosexual Therapist, and Psychotherapist, with a private practice in Kypseli, where she offers both in-person and online sessions.

She holds a dual degree in Psychology from the American College of Greece (Deree) and the Open University of the United Kingdom. She completed postgraduate studies at the University of Central Lancashire in Psychosexual Therapy. Subsequently, she specialized in Cognitive Behavioral Psychotherapy at the Center for Applied Psychotherapy and Counseling in Athens.

Throughout her professional career, she has worked with diverse populations: from elderly individuals in care units—providing psychotherapeutic support and psychometric assessments—to children and adolescents in summer camps. She has collaborated with the Institute of Mental & Sexual Health of Dr. Thanos Askitis, managing clinical cases, as well as with the Hellenic Sexological Institute during her postgraduate internship.

She has served as a speaker at the 4th Panhellenic Interdisciplinary Congress of Sexology, presenting a paper titled “Perfectionism and Its Impact on Sexual Functions.” Additionally, she has attended a series of specialized seminars in the fields of mental and sexual health and holds certification for administering the WAIS IV adult intelligence assessment tool.

Her clinical expertise includes:

• Sexual dysfunctions
• Eating disorders
• Anxiety disorders, phobias, panic attacks, and obsessive-compulsive disorder (OCD)
• Trauma management
• Interpersonal difficulties
• Family issues & relationship matters

Η Έλενα Ντερτιλή είναι Ψυχολόγος - Ψυχοθεραπεύτρια και διατηρεί το ιδιωτικό της γραφείο στα Μελίσσια. Είναι τακτικό μέλος του Συλλόγου Ελλήνων Ψυχολόγων (ΣΕΨ) αρ. μητρώου 2391. Έχει μετεκπαιδευτεί στην Αγγλία στο Keele University με μεταπτυχιακό τίτλο στην Συμβουλευτική Ψυχολογία Ενηλίκων (MA in Counselling). Στη συνέχεια εξειδικεύτηκε στην αναπτυξιακή ψυχολογία του προσχολικού παιδιού (AMI). Έλαβε πενταετή μετεκπαίδευση στην Ομαδική Ψυχαναλυτική Ψυχοθεραπεία στην Ελληνική Εταιρεία Αναλυτικής Ομαδικής και Οικογενειακής Ψυχοθεραπείας ΕΕΟΑ & ΟΘ με πρόεδρο τον Ματθαίο Γιωσαφάτ. Έχει εργαστεί ως Ψυχολόγος Σύμβουλος στο Κέντρο Υγείας στο Newcastle U.K., καθώς και στο Παιδοψυχιατρικό Νοσοκομείο Αττικής - Ιατροπαιδαγωγικό Κέντρο Αθήνας και στο Νταού Πεντέλης. Έχει εργαστεί ως Ψυχολόγος στο Πρότυπο Εθνικό Νηπιοτροφείο Καλλιθέας. Έχει οργανώσει κύκλους σεμιναρίων για γονείς παιδιών προσχολικής ηλικίας με θέματα που αφορούν τις αναπτυξιακές και συναισθηματικές ανάγκες των παιδιών από την 1η βρεφική μέχρι την εφηβική ηλικία. Στα πλαίσια της συνεχιζόμενης εκπαίδευσης έχει παρακολουθήσει πληθώρα κλινικών σεμιναρίων. Σήμερα εργάζεται ως εξωτερικός επιστημονικός συνεργάτης στην Μονάδα Διαταραχών Προσωπικότητας, στο τμήμα Ομαδικής Αναλυτικής Ψυχοθεραπείας Αιγινήτειο Νοσοκομείο (Α΄ Ψυχιατρική Κλινική Πανεπιστημίου Αθηνών), με αντικείμενο την συνθεραπεία ομάδας Ψυχαναλυτικής Ψυχοθεραπείας Οριακών ασθενών. Από το 2023 είναι Διδάσκουσα Ομαδική Αναλύτρια στο Διατμηματικό Πρόγραμμα Κλινικής Μετεκπαίδευσης στα Δυναμικά Ομάδας σε Ψυχιατρικά πλαίσια, που συνδιοργανώνεται από την Ελληνική Εταιρεία Ψυχαναλυτικής Ψυχοθεραπείας Ομάδας και τον Ειδικό Τομέα Διαταραχών Προσωπικότητας και την Μονάδα Ψυχαναλυτικής Ψυχοθεραπείας της Α' Ψυχιατρικής Κλινικής της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών. Εργάζεται επίσης ως εξωτερικός συνεργάτης στο Ελληνικό Κέντρο Ψυχικής Υγιεινής και Ερευνών Ε.ΚΕ.ΨΥ.Ε στην Μονάδα ενηλίκων Αθήνας, με αντικείμενο την ατομική ψυχοθεραπεία ενηλίκων και την Ομαδική Αναλυτική Ψυχοθεραπεία ενηλίκων. Από το 2012 εργάζεται ψυχοθεραπευτικά στο ιδιωτικό της γραφείο στο οποίο παρέχει ατομικές συνεδρίες Ψυχαναλυτικής κατεύθυνσης σε ενηλίκους, συνεδρίες Ψυχοδυναμικής Ψυχοθεραπείας ζεύγους και οικογένειας, καθώς και συνεδρίες Ομαδικής Αναλυτικής Ψυχοθεραπείας.

Ntikouli Aleksandra was born and raised in Larissa and has lived in Thessaloniki, Mykonos, Kos, and Kozani. Additionally, during her postgraduate studies, she lived for two years in the city of Malmö, Sweden. After completing her studies, she gained clinical experience in various settings, working with children, adolescents, adults, and families. She studied Psychology at Aristotle University of Thessaloniki and then completed her postgraduate degree in Criminology at Malmö University. Currently, she is training in Cognitive Behavioral Psychotherapy (CBT) at the Hellenic Society for Behavioral Research. She completed her internship at the Counseling Center of KETHEA ITHAKI in Thessaloniki, where she provided counseling to families of adolescent and adult substance users, participated in group meetings of the center’s members, and engaged in report writing and file organization for the members. During her professional experience as a School Psychologist in Public Education, she collaborated with professionals such as Social Workers, Speech Therapists, Occupational Therapists, and Special Educators, organized and conducted prevention and crisis intervention programs related to the school environment, provided parental counseling, as well as individual sessions to children and adolescents diagnosed with ADHD, Autism, and other Developmental Disorders. Additionally, she administered various standardized cognitive assessment tools for children, such as the Raven Standard Progressive Matrices Test, sets A, B, C, D, and E, and the Greek version of the Weschsler Intelligence Scale for Children (WISC-III). She also provided training in social skills using cognitive-behavioral techniques and various psychoeducational tools. Currently, she works privately as a Psychologist, offering online sessions to diverse populations.

Ntimova P Ioanna is a Psychologist - Psychotherapist, graduate of the Department of Psychology at the National and Kapodistrian University of Athens. She is in her third year of psychotherapeutic training in Analytical Group & Family Psychotherapy. Concurrently, she is pursuing postgraduate studies in Child and Adolescent Mental Health at the European University Cyprus. She has clinical experience gained through her internship in public mental health facilities, at the Aiginiteio Hospital, where she worked with children & adolescents, as well as at the Vyronas Health Center working with adults. She has attended numerous seminars, conferences, and clinical trainings in the field of mental health and regularly receives supervision. She is also the creator of the emotion diary "FIL MI", which aims to enhance emotional expression, self-observation, and personal development through thematic sections and questions concerning key areas of life. She provides psychological support, counseling, and psychotherapy services to adults, children & adolescents facing difficulties at the personal, family, social, emotional, and behavioral levels. She is a member of the Greek Psychologists Association and holds a Professional Practice License.

Despoina Ntina is a Psychologist – Psychotherapist who offers online sessions for adults, children, and adolescents. She holds a degree in Psychology from the Aristotle University of Thessaloniki and a Master’s degree in Sport and Exercise Psychology from the University of Thessaly. Specializing in Cognitive Behavioral Therapy (CBT), she provides support for issues such as anxiety and mood disorders, panic attacks, phobias, and personality disorders. She also works with individuals on anger management, personal development, relationship difficulties, trauma recovery, and obsessive-compulsive symptoms. Despoina also supports individuals seeking guidance on matters related to sexuality, gender identity, and self-acceptance. Her approach is inclusive and respectful of each person's uniqueness, focusing on managing thoughts and behaviors that impact mental well-being. She offers a safe and affirming space for LGBTQ+ individuals to explore topics related to sexual orientation, gender expression and identity, and the challenges that may arise from social stigma or internal conflicts. Provides parental counseling, family support, and guidance on issues related to family dynamics and relationships. The goal is to enhance communication, manage conflicts, and support parents in their role. She offers online sessions in both Greek and English, ensuring flexibility and accessibility regardless of location. Over the past four years, she has worked with adults and children who have experienced domestic violence, as well as with minorities and members of the LGBTQ+ community.

Athina Ntourou is a Psychologist and Systemic Psychotherapist with a private practice in Marousi, Athens, where she provides psychological support, counseling, and psychotherapy services.She holds a Bachelor's degree in Psychology from the National and Kapodistrian University of Athens (NKUA) and a Master's Degree (MSc) from the Medical School of Athens in "Mental Health and Psychiatry of Children and Adolescents."She has specialized in Systemic and Family Psychotherapy at the Center for Systemic Study and Therapy, an institution accredited by the European Family Therapy Association (EFTA).Systemic Psychotherapy focuses on exploring relationships, roles, and interactions within an individual's social and family context, aiming to enhance self-awareness, deepen understanding of oneself in relation to others, and foster more functional and satisfying ways of relating and communicating.Throughout her professional career, she has worked with diverse populations, including children, adolescents, adults, couples, groups, and communities, within public services and special education settings. Her clinical experience, combined with her commitment to continuous professional development, supports a comprehensive and individualized therapeutic approach tailored to the unique needs of each person.She offers both in-person sessions at her office in Marousi and online sessions, providing a safe and supportive environment that promotes personal growth, resilience, and psychological well-being.

Ntourou Iliana MSc is a graduate of Psychology from Aristotle University of Thessaloniki, with a master's degree in Clinical Psychology from Erasmus University of Rotterdam, Netherlands. She specializes in Cognitive Behavioral Therapy (CBT) through the Hellenic Association of Cognitive Behavioral Psychotherapy (HACBP) according to the criteria of the European Association for Behavioral and Cognitive Therapies (EABCT), and since 2021 she has been a doctoral candidate in the Medical Department of the University of Ioannina. In recent years, she has been providing psychotherapy sessions in the center of Thessaloniki. Simultaneously, since 2022, she holds a position as a Collaborating Researcher at the National Center for Research (CERTH), where among her duties are conducting research studies and providing training to healthcare professionals. Finally, she is under continuous supervision for the management of her cases.

Stauroula Ntymenou is a Psychologist maintaining a private practice in Cholargos. She graduated from the University of East London and completed her postgraduate studies at the same university with a Master of Science in Clinical and Community Psychology. She specializes in Systemic - Family Psychotherapy at the "Logo Psychis" Training and Research Institute, which offers an enriched form of systemic therapy based on the SANE model (System Attachment Narrative Encephalon - System, Attachment, Narrative, Brain). Additionally, she specializes in the Diagnosis and Psychotherapy of Children and Adolescents through a Systemic approach. Concurrently, she collaborates with the E.P.A.P.S.Y. (Company for Regional Development and Mental Health) structure, where she is a member of the center's interdisciplinary team and provides psychotherapy services to the adult population. She has also worked with the Social Protection & Solidarity Organization of Vrilissia, offering counseling to parents and adolescents. Furthermore, she has served as a lecturer at the Metropolitan College teaching Applications of Psychology. Finally, to stay abreast of all scientific developments related to the science of psychology and the practice of psychotherapy, she continuously attends seminars and conferences and keeps herself updated.

Ο Οικονομίδης Απόστολος είναι Ψυχολόγος – Ψυχοθεραπευτής και διατηρεί ιδιωτικό γραφείο στο Νέο Ψυχικό. Είναι κάτοχος πτυχίου Ψυχολογίας από το Αμερικανικό Κολλέγιο Ελλάδος και το Open University της Αγγλίας και μετέπειτα έλαβε διετή ειδίκευση στη Θεραπεία Συμπεριφοράς Διαταραχών Άγχους, Ιδεοψυχαναγκαστικής και Μετατραυματικής Διαταραχής στο Ερευνητικό Πανεπιστημιακό Ινστιτούτο Ψυχικής Υγιεινής σε συνεργασία με την Α’ Ψυχιατρική Κλινική του Πανεπιστημίου Αθηνών. Επίσης, έχει παρακολουθήσει μονοετή μετεκπαιδευτικά προγράμματα στην Κλινική Ψυχοπαθολογία και τις Κλινικές Δεξιότητες από την Α΄ Ψυχιατρική Κλινική του Πανεπιστημίου Αθηνών σε συνεργασία με την Ελληνική Ψυχιατρική Εταιρεία. Στο παρελθόν συνεργάστηκε με το Ιατρείο Θεραπείας Συμπεριφοράς καθώς και με τη Μονάδα Θεραπείας Συμπεριφοράς του Ελληνικού Κέντρου Ψυχικής Υγιεινής και Ερευνών, όπου αντιμετώπισε ψυχοθεραπευτικά ως επί το πλείστον περιστατικά αγχωδών και συναφών διαταραχών (διαταραχή πανικού, αγοραφοβία, γενικευμένο άγχος, ιδεοψυχαναγκαστική διαταραχή, κ.α). Συμμετέχει σταθερά σε ομάδες εποπτείας ψυχολόγων, ενώ έχει εμπειρία στην διοργάνωση ψυχοεκπαιδευτικών ομάδων με έμφαση στις δεξιότητες διαχείρισης ψυχοπιεστικών καταστάσεων.

Oikonomou Eirini is a Psychologist with a private practice in Panormou. She studied Psychology at the National and Kapodistrian University of Athens and completed postgraduate studies in Health Psychology at the University of Surrey. She has specialized in Cognitive Behavioral Therapy at the Center for Research and Therapy of Behavior. She served as a Researcher at the University of Oxford, gaining significant research and teaching experience. Her scientific interests include chronic diseases, eating disorders, and more. In her practice, she handles cases related to interpersonal relationships, trauma recovery, self-improvement, obsessive-compulsive disorder treatment, anxiety disorders, phobias, eating disorders, addictions, and others.

Nektarios Oikonomou is a Psychologist with private practice offices in Markopoulo and Porto Rafti. He graduated from the Department of Psychology at UCLAN University (2017-2021) and has enhanced his knowledge with specialized studies at the National and Kapodistrian University of Athens (Cognitive Behavioral Therapy - CBT, Social Clinical Psychology of Addictions, Sports Psychology, and Counseling and Therapy for Couples and Families), strengthening his ability to approach psychological issues from multiple dimensions.

Professionally, he maintains private practice offices in Markopoulo and Porto Rafti, offering psychotherapy services, addiction treatment, psychological support, and counseling.

He is also active as a sports psychologist with PAO Kalyvia (2024-present), where, combined with his status as a final-year student at the Department of Physical Education and Sport Science (TEFAA), he employs a comprehensive scientific approach that links mental empowerment with physical performance, supporting athletes in enhancing mental resilience and competitive performance.

Additionally, he has collaborated as an addiction counselor at KETHEA DIAVASI (2020-2021). In the field of addictions, he integrates his scientific training with profound experiential understanding of addiction and recovery mechanisms, which enhances empathy and the effectiveness of the therapeutic approach.

Oikonomou Taksiarxis is a Psychologist - Psychotherapist who maintains a private practice in Chalandri. He holds a degree in Psychology from the School of Sociology - Psychology - Pedagogy at the FPSE University. He specializes in Cognitive Behavioral Therapy, Work-related Stress Coaching, Anxiety Disorders, and Depression Management. He has served as a Trainer in Pedagogical Training programs for educators at the National and Kapodistrian University of Athens and ASPAITE. He handles a wide range of cases in a friendly and comfortable environment, tailoring the approach for each patient by combining his scientific expertise with years of experience and professionalism.

Oikonomou Xrysoula is a Psychologist - Psychotherapist and maintains a private practice in Neapoli. She studied Psychology and subsequently completed postgraduate training in Clinical Psychology focusing on addiction at the Aristotle University of Thessaloniki. She also holds basic training in clinical hypnotherapy (2025) and has been trained in Postmodern Psychotherapy Approaches and the administration of psychometric tools. Recently, she completed further training in Special Education at the University of the Aegean. Additionally, she is pursuing a Master's degree in Educational Sciences at the Hellenic Open University. She has considerable experience as a Psychologist, having worked at a Dyslexia and Learning Difficulties Center, at KETHEA, at the Aristotle University of Thessaloniki, in the Pediatric Oncology Department of the University General Hospital of Thessaloniki AHEPA, and has provided parallel support to a student with autism. Finally, she specializes in non-directive intervention and systemic approaches.

Valia Xristopoulou - Theranous is a Psychologist - Psychotherapist based at the private TheraNous office in Drosia. She holds a degree in Psychology from the University of Ioannina and is a postgraduate student at the Medical School of the National and Kapodistrian University of Athens in the "Early Intervention in Psychosis" program. She specializes in stress management, with a particular focus on early intervention in forms of psychopathology, mental, and emotional disorders. She has completed the Clinical Psychopathology Postgraduate Seminar "Panagiotis Oulis" of the 1st Psychiatric Clinic of NKUA and the Interdepartmental Training Program of the Hellenic Society of Group Psychoanalytic Psychotherapy, focusing on group dynamics. She has worked as a Psychologist at KETHEA Epirus and the Psychiatric Clinic of the General Hospital of Argolida, where she gained valuable experience supporting individuals with addictions as well as managing severe mental disorders in a hospital setting. Simultaneously, she is training in Psychoanalytic Psychotherapy through the five-year program of the Hellenic Society of Group Psychoanalytic Psychotherapy (HSGPP), strengthening her theoretical knowledge and clinical practice. Her goal is to provide meaningful psychological support, both through individual and group sessions, tailored to the needs of each person seeking help and change in their life.

Anastasia Olympiou - Hansen is a Psychologist (BSc, MSc), licensed in Greece and registered as a Mental Health Counselor in Norway, with experience in supporting adults.

She has completed postgraduate training in Health Psychology at the University of Derby.

She works with a range of concerns including phobias, panic attacks, stress, burnout, emotional difficulties, relationships difficulties and life transitions (e.g. career changes, migration, relationships). She supports individuals in effectively managing anxiety and panic, strengthening self-confidence and psychological resilience, and improving their overall daily functioning and quality of life.

She has experience in behavioural change interventions and has supported adults in individual settings, aiming at sustainable and meaningful improvements in mental health and well-being.

She is also active in research in the field of Health Psychology, with a recent publication in 2024 in an international peer-reviewed journal (SAGE) on laughter interventions and their impact on psychological well-being and quality of life in cancer patients.

Olympiou, A., & Ahmed, S. (2024). Laughter Interventions to Improve Psychological Well-Being/QoL in Cancer Patients: A Mini Systematic Review. Sage Open, 14(4).

Sessions are available in Greek, English, and Norwegian.

Seminars

1. Building Personal Resilience:Managing Anxiety and Mental Health, HarvardX, March 2026, CME Online Down Syndrome, Harvard University Online, October 2015
2. Assessment and Treatment of Depression in the Primary Care Setting, Harvard University Online, November 2015
3. Assessment and Treatment of Anxiety in the Primary Care Setting, Harvard University Online, November 2015
4. Altzheimer's Disease, Harvard University Online, November 2015
5. Addiction in Your Practice: Information and Resources for Dealing with Addictive Behavior, Harvard University Online, November 2014