Psychologists

At the ARKESIS Mental Health Center, a comprehensive psychotherapeutic and psychiatric framework is offered for adults, adolescents, and children. Through the integration of psychodynamic/psychoanalytic approaches, systemic and group therapy, as well as specialized psychiatric support, a safe environment is created for recognizing individual needs, with the ultimate goal of personal development and mental well-being. Psychiatric services are also provided at the center. The founder of the center, Melina Arkesis Tzakou, based in Nea Ionia, Attica, provides mental health services as a Psychologist - Psychoanalytic Psychotherapist. She is a graduate of the European University Cyprus (EUC), a regular member of the Hellenic Psychological Society and the British Psychological Society (BPS). Currently, she is completing her specialization in Psychoanalytic Psychotherapy (DIKEPSY) and a Master's degree in Applied Developmental Psychology at the Hellenic Open University. She has received additional training in Clinical Psychopathology and Clinical Skills at the Panagiotis Oulis Clinical Psychopathology program at EPIPSY. At the same time, she has been trained in Synthetic Approach Mental Health Counseling at the Athens Synthesis Centre. She is certified to administer projective tests such as TAT, CAT, Child Drawing Test, and the Rorschach Inkblot Test. Melina Arkesis Tzakou, together with her scientific team of experienced and qualified psychotherapists specializing in Systemic and Psychoanalytic approaches, achieves the appropriate provision of mental health services for adults, adolescents, couples, and parents. The team always operates under the supervision of Ms. Melina Arkesis Tzakou, who ensures the maintenance of scientific rigor, the proper therapeutic approach, and the uninterrupted progress of psychotherapies.

Maria Galani is a Psychologist who maintains a private practice in Patissia. She is a graduate of the Psychology Department of the University of Wales and holds a master's degree in Child Development from the University of London. Additionally, she possesses a specialization certificate in Systemic and Family Therapy from the Laboratory of Human Relations Investigation (Dr. Harris Katakis). She has completed a program in Emotionally Focused Couples Therapy (EFT), as well as a training program in the Systemic approach at the Family Therapy Center (MA, Alia Samara). Furthermore, she holds a certificate of attendance from a training program in Vocational Counseling (ISON Psychometrica). She has completed an internship involving the application of group and individual counseling, theoretical and practical knowledge of psychometric tests, within a preadolescent and adolescent creative activity group with a therapeutic character, at the Family Therapy Center and the Family Care Center of the Municipality of Nea Ionia. Additionally, she has attended numerous seminars aimed at her continuing education in her field and has participated in authoring books. Finally, she is a member of the Hellenic Psychological Society, the European Family Therapy Association, the Hellenic Society of Systemic Therapy, and the British Psychological Society.

Tsalikidou Aliki is a Psychologist - Psychotherapist and maintains a private practice in Nea Smyrni. She graduated from the Department of Psychology at the National and Kapodistrian University of Athens and has earned an MSc from the Medical School of the same university in the field of Mental Health Promotion - Prevention of Psychiatric Disorders. Professionally, over the past 16 years, she worked at KETHEA. She has been trained in Group Dynamics and has attended various training cycles in Systemic - Family Therapy. She has completed training in Counseling in the field of Substance Addiction at the Department of Psychiatry, University of California, San Diego. Additionally, she has received training in "New Therapeutic Techniques" at Amsterdam UMC (University Medical Center), as part of the Erasmus+ program (professional mobility in the healthcare sector). She has participated in numerous training programs for managing difficult patients, eating disorders, internet addiction, as well as special developmental disorders. She has collaborated with the Experimental Psychology Laboratory of the 1st Psychiatric Clinic of the National and Kapodistrian University of Athens and has participated in various research projects. From 2005 to 2006, she worked at the Children's Workshop, Center for Speech, Writing, and Behavior, providing Emotional Support services for children and Counseling for parents. From 2006 to 2022, she worked at KETHEA Diavasi, supporting both the addicted individuals and their families. From 2015, she held Unit Manager positions, initially at the KETHEA Diavasi Family Support Center and later in the Main Treatment Phase (Therapeutic Community).

Katsarou Agni Georgia is a Psychologist (MSc) and Cognitive-Behavioral Psychotherapist. She works privately, providing online sessions to adults and adolescents, while also collaborating with the Child Protection Unit "The Embrace," where she offers psychological support to children and adolescents through individual sessions, as well as parental counseling.

She studied Psychology at the University of Ioannina and holds a Master's Degree from Aristotle University of Thessaloniki, in the Interdisciplinary Program "Applications of Psychology in Health" of the School of Medicine. She has completed a three-year training in Cognitive-Behavioral Psychotherapy at K.E.PSY.SY., and is currently training in advanced specialized education in Eating Disorders at KEADD.

As part of her professional training, she completed an internship at the Psychiatric Clinic of the General Hospital of Corfu and subsequently volunteered with the Detoxification Unit of the same hospital. She has participated in activities at the multidisciplinary detoxification center KETHEA Corfu, as well as at AMKE IASIS, an organization providing psychosocial support to vulnerable groups in Athens, taking part in group sessions, interventions, and the operation of interpersonal relations groups.

Simultaneously, she regularly attends seminars and conferences aiming at her continuous scientific development and enhancing the effectiveness of her therapeutic work. She writes articles for psychology magazines and maintains an active interest in research and current scientific advancements. She is a member of the Corfu Psychologists Association.

Kourkouli Nelli is a graduate psychologist from the National and Kapodistrian University of Athens and has a 4-year specialization in systemic-group psychotherapy from the Laboratory for the Investigation of Human Relations, which is certified by the EFTA (European Family Therapy Association).

With over 15 years of experience in psychotherapeutic practice, she has worked both privately and in mental health agencies and structures with numerous adults, providing individual psychotherapy sessions. For the past 12 years, she has been working in the Social Service at local government, offering psychological support.

Currently, in her private practice, she provides specialized services in individual counseling, family group psychotherapy, couples therapy, and family therapy. She addresses individuals facing problems with their intimate and/or family relationships, difficulties in managing their emotions, as well as those who wish to gain better self-understanding.

Particular emphasis is placed on confidentiality, safety, and freedom of expression within the therapeutic framework. Through the psychotherapeutic process, the aim is for the client, through the mutual relationship with the therapist, to gain awareness of the dynamics of their personal relationships, recognize their uniqueness, discover their personal strength, and evolve.

She continuously participates actively in scientific conferences and seminars, aiming for ongoing professional development.

She is a member of the Hellenic Psychological Society.

Η Περσεφόνη Λαφαζάνη σπούδασε Ψυχολογία στο Πανεπιστήμιο Κρήτης. Είναι κάτοχος άδειας άσκησης επαγγέλματος ψυχολόγου με αριθμό 62699 και κάτοχος μεταπτυχιακού τίτλου στην Κλινική Ψυχολογία από το Πανεπιστήμιο της Ουτρέχτης, με έμφαση στη Γνωσιακή Συμπεριφορική Θεραπεία. Επίσης, έχει ολοκληρώσει την τετραετή εκπαίδευση στη Συστημική ψυχοθεραπεία στο Κε.Συ.Θ.Ε.Σ. Στα πλαίσια πρακτικής άσκησης έχει συνεργαστεί με το κέντρο ψυχικής υγείας ΕΣΤΙΑΖΩ και με το Ινστιτούτο Παιδιών και Ενηλίκων Π. Σακελλαρόπουλος. Στα πλαίσια εθελοντισμού, έχει εργαστεί ως ψυχολόγος, στην Εταιρεία Κοινωνικής Ψυχιατρικής και Ψυχικής Υγείας Π. Σακελλαρόπουλος στο τμήμα των Προστατευόμενων Διαμερισμάτων, συμμετέχοντας στην κοινωνική ενσωμάτωση ενηλίκων με ψυχικές διαταραχές και ψυχοκοινωνικά προβλήματα

Επίσης, έχει εργαστεί στη συμβουλευτική γραμμή του Ινστιτούτου Ψυχικής και Σεξουαλικής Υγείας και υπήρξε ψυχοθεραπεύτρια στο Athens Behavior Clinic.

Συμπληρωματικά, ήταν εισηγήτρια στο Ψυχοεκπαιδευτικό Πρόγραμμα για την Ανάπτυξη Επαγγελματικής Ταυτότητας Φοιτητών Ψυχολογίας με βάση τη Θεωρία Διαλογικού Εαυτού που διεξήχθη από το Πανεπιστήμιο Ιωαννίνων σε συνεργασία με το Εθνικό Καποδιστριακό Πανεπιστήμιο Αθηνών.

Επί του παρόντος, συνεργάζεται με το Ινστιτούτο Παιδιών και Ενηλίκων Π. Σακελλαρόπουλος στη Μονάδα Ψυχιατρικής Περίθαλψης στο Σπίτι του Ασθενούς, ενώ παράλληλα εργάζεται ιδιωτικά με άτομα ζευγάρια και οικογένειες, αξιοποιώντας τη συστημική θεωρία και πρακτική.

Diamantopoulou Korina MSc is a Psychologist - Psychotherapist and maintains a private practice in Athens. She holds a Psychology degree from Goldsmiths College, University of London, and completed postgraduate studies at the University of Edinburgh, along with specialized training in Integrative Psychotherapy. Additionally, she received training in the Portage Early Intervention System from the Diagnostic and Therapeutic Unit, as well as in the Montessori Teaching Method from the Maria Goudeli School. Throughout her career, she has collaborated with numerous psychological support centers. Currently, in her private adult counseling and psychotherapy practice, she provides individual and group therapy with an emphasis on the integrative model. Her psychotherapeutic approach is based on a model that assumes the diversity of individuals and the complexity of the person do not conform to a single model of human behavior, and therefore no single approach is sufficient. Since the factors influencing human behavior are numerous and unique to each individual, a tailored model must be developed to meet the specific needs of each person at a given time. Finally, sessions are also available in English.

Leontari Virginia is a Psychologist - Psychotherapist and maintains a private practice in Ioannina. She studied Psychology at the Aristotle University of Thessaloniki and completed a Master of Science (MSc) degree in “Clinical Mental Health” from the School of Medicine at AUTH. Furthermore, she was trained in Cognitive-Behavioral Therapy and specializes in the Treatment of Eating Disorders and Obesity. She has significant experience, having worked in various public and private organizations, such as UNICEF and the Social Welfare Center of the Epirus Region. Finally, she possesses research experience consisting of participation in conferences and seminars as well as scientific publications.

Ο Μαρίνος Ροδόλφος Παπαδόπουλος είναι Κλινικός Ψυχολόγος, αριστούχος υπότροφος του Πανεπιστημίου του Leiden της Ολλανδίας και κάτοχος του Εθνικού Βραβείου Αριστείας από το Ίδρυμα Λίλιαν Βουδούρη. Έχει εξειδικευτεί στις Νευροεπιστήμες (MSc) στην Ιατρική Σχολή του φημισμένου Πανεπιστημίου του Warwick στην Αγγλία. Διατηρεί τα ιδιωτικά του κέντρα Ψυχοθεραπείας στο Περιστέρι, στο Αιγάλεω και στην Πανόρμου, όπου προσφέρει υπηρεσίες υψηλής ποιότητας μαζί με την κατάλληλα εκπαιδευμένη θεραπευτική του ομάδα.

Ο κ. Παπαδόπουλος είναι απόφοιτος του τμήματος Ψυχολογίας του Πανεπιστημίου Αθηνών και κάτοχος δυο μεταπτυχιακών τίτλων από δύο εκ των κορυφαίων ιδρυμάτων της Ευρώπης: Μεταπτυχιακό δίπλωμα (MSc) ειδίκευσης στη Κλινική Ψυχολογία από το πανεπιστήμιο του Leiden της Ολλανδίας και Μεταπτυχιακό δίπλωμα ειδίκευσης στη Διοίκηση Επιχειρήσεων (MBA) από το πανεπιστήμιο του Sheffield της Αγγλίας.

Είναι εκπαιδευμένος στη Θεραπεία Τραύματος με τη μέθοδο EMDR από την Tact Hellas. Αποτελεί από το 2025 Τακτικό μέλος της EMDR Hellas. Ακόμα έχει εκπαιδευθεί στη Θεραπεία Αποδοχής και Δέσμευσης (ACT) από τον Russ Harris, την Θεραπεία Εστιασμένη στη Συμπόνια (CFT) από τον Dr. Paul Gilbert  και την Γνωσιακή Συμπεριφοριστική Θεραπεία  (CBT) για την κατάθλιψη, τις διαταραχές προσωπικότητας και, την πρόληψη της αυτοκτονικότητας από το Beck Institute της Αμερικής. Παράλληλα εκπαιδεύεται στη Γνωστική Αναλυτική Ψυχοθεραπεία στο Ιατρικό Ψυχοθεραπευτικό Κέντρο (ΙΨΚ).

Υπήρξε αριστούχος υπότροφος του Πανεπιστημίου του Cardiff στην Ουαλία όπου πραγματοποίησε την έρευνά του στον τομέα της γενετικής της κατάθλιψης. Στο ενεργητικό του έχει ερευνητική δραστηριότητα στις διαταραχές ύπνου, την κατάθλιψη και τις αγχώδεις διαταραχές στο τμήμα Κλινικής Ψυχολογίας του πανεπιστημίου του Leiden στην Ολλανδία. Το έργο του δημοσιεύτηκε σε έγκριτα επιστημονικά περιοδικά. 

Είναι ιδρυτής του Trust your therapist.eu επίσημο trademark με 29.000 ακόλουθους στο Instagram, στόχος του οποίου είναι να σπάσει το ψυχικό στίγμα στην Ελλάδα και να προάγει την ευαισθητοποίηση και τη γνώση για τη ψυχική υγεία. 

Στόχος του πάντα είναι η προσέγγιση του ανθρώπου με ενσυναίσθηση και σεβασμό και η παροχή εξατομικευμένης φροντίδας που έχει ως στόχο να βοηθήσει το άτομο να γίνει θεραπευτής του εαυτού του.

Giazitzi Vasiliki is a Psychologist - Psychotherapist, a graduate of the Department of Psychology at Aristotle University of Thessaloniki, specializing in cognitive-behavioral therapy (CBT), which is recommended as the treatment of choice for a variety of mental disorders and is particularly effective.

She maintains private practices in Thessaloniki and Serres, providing psychotherapeutic services both in person and online to adults, adolescents, couples, and families.

She completed her postgraduate studies at the Medical School of the National and Kapodistrian University of Athens with a degree in "Global Medicine and Health Crisis Management".

Since 2021, she has specialized in cognitive-behavioral psychotherapy at the Hellenic Society of Cognitive-Behavioral Psychotherapy.

From May 2019 to June 2024, she worked with NGOs on various UNICEF programs such as Child Protection (Child and Family Support Hubs) and subsequently the support of all children in education (All Children in Education).

Within the framework of this work, she participated in the design and support of cases involving domestic violence, as well as cases of severe anxiety, depression, phobias, obsessive-compulsive symptoms, and various mental disorders requiring support. In 2021, she held a coordinating role in the Child Protection program in the Serres field.

Foteini Liva is a Psychologist and Psychotherapist, licensed to practice professionally. She graduated from the Department of Psychology at the University of Crete and specialized in Cognitive-Behavioral Therapy for adults at the Center for Applied Psychotherapy and Counseling in Athens. She is currently completing the postgraduate program “Clinical Mental Health” at the Medical School of Aristotle University of Thessaloniki. Additionally, she has obtained a certification from the National and Kapodistrian University of Athens (NKUA) on the topic of "Self-Improvement and Assertive Behavior".

Regarding her professional experience, she has worked as a psychologist at the NGO “Xenios Zeus” and has also worked in secondary education delivering counseling and group interventions for adolescents and parents. She completed internships at the "Panagiotis & Aglaia Kyriakou" Children's Hospital, at K.E.PSY.SY., and at the Saint Eleftherios Memory Center. Furthermore, in 2023, she served as a member of a special committee for the evaluation of individuals with disabilities applying to the "Personal Assistant" program. She has volunteered as a psychologist for the Hellenic Cancer Society, enriching her professional experience concerning the interaction between psychology and severe physical illnesses. Since 2025, she has been practicing privately and has collaborated externally with the Psychotherapy Center "InnerThrive". She currently maintains a private practice in Korydallos. Finally, her clinical work is supported by systematic supervision.

Η Τσέτσου Ελένη είναι Ψυχολόγος, Msc - Συστημική Ψυχοθεραπεύτρια και διατηρεί ιδιωτικό γραφείο στα Εξάρχεια, όπου παρέχει υπηρεσίες ψυχοθεραπείας σε ενήλικες κι εφήβους. Είναι πτυχιούχος του τμήματος Ψυχολογίας του Παντείου Πανεπιστημίου Κοινωνικών και Πολιτικών Επιστημών και κάτοχος του Μεταπτυχιακού Διπλώματος στην Ψυχολογία με ειδίκευση "Ταυτότητες και Διαπροσωπικές σχέσεις" του Παντείου Πανεπιστημίου. Έχει ειδικευθεί στη Συστημική Ψυχοθεραπεία, κατόπιν τετραετούς παρακολούθησης του προγράμματος του Εργαστηρίου Διερεύνησης Ανθρώπινων Σχέσεων. Έχει μετεκπαιδευτεί στην Κλινική Ψυχοπαθολογία του προγράμματος "Παναγιώτης Ουλής" της Α' Ψυχιατρικής Κλινικής του Εθνικού και Καποδιστριακού Πανεπιστήμιου Αθηνών και του Ερευνητικού Πανεπιστημιακού Ινστιτούτου Ψυχικής Υγιεινής (Ε.Π.Ι.Ψ.Υ). Επιπρόσθετα, έχει παρακολουθήσει το ετήσιο πρόγραμμα Κλινικής μετεκπαίδευσης στα Δυναμικά ομάδας σε Ψυχιατρικά πλαίσια του Τμήματος Ψυχολογίας της Φιλοσοφικής Σχολής Πανεπιστημίου Αθηνών και της Α’ Ψυχιατρικής Κλινικής του Πανεπιστημίου Αθηνών σε συνεργασία με την Ελληνική Εταιρεία Ψυχαναλυτικής Ψυχοθεραπείας Ομάδας (ΕΕΨΨΟ). Παράλληλα με την ιδιωτική της πρακτική, εργάζεται σε Μονάδα Εφήβων του Εθνικού Οργανισμού Πρόληψης και Αντιμετώπισης των Εξαρτήσεων (ΕΟΠΑΕ), όπου πραγματοποιεί ατομικές και ομαδικές συνεδρίες με εφήβους και νεαρούς ενήλικες που αντιμετωπίζουν ζητήματα χρήσης ουσιών, καθώς και συμβουλευτική γονέων. Στο παρελθόν έχει συνεργαστεί με σχολείο και οικογένεια με παιδί με νευροαναπτυξιακή διαταραχή στα πλαίσια της ένταξης και στήριξής του μέσα σε αυτό. Επιπρόσθετα, έχει προσφέρει τις υπηρεσίες της ως ψυχολόγος στην παιδοψυχιατρική κλινική του Τζανείου Νοσοκομείου, στο Κέντρο Συμβουλευτικής Εφήβων του πρώην ΚΕΘΕΑ Στροφή, στο Κέντρο Πρόληψης των εξαρτήσεων και και προαγωγής της ψυχοκοινωνικής υγείας "Αθηνά Πολύβουλος", στη Γραμμή Ψυχολογικής Υποστήριξης 11528 "Δίπλα σου" για ΛΟΑΤΚΙ άτομα, οικογένειες και εκπαιδευτικούς, καθώς και σε δομές παιδικής προστασίας του Χαμόγελου του Παιδιού. Φροντίζει να επιμορφώνεται διαρκώς με τη συμμετοχή της σε συνέδρια κι εκπαιδευτικά προγράμματα με στόχο την πνευματική καλλιέργεια, και τον εμπλουτισμό της γνώσης και των καλών πρακτικών. Η κλινική της πρακτική διακατέχεται από σεβασμό στον άνθρωπο κι αυθεντικότητα, διερεύνηση των μοναδικών δυνάμεων του κάθε ατόμου κι ευαισθητοποίηση γύρω από τις προκλήσεις που αντιμετωπίζουν κοινωνικά ευάλωτοι πληθυσμοί.

Gkotsis Konstantinos is a Psychologist and maintains a private practice in Artemida. He studied Psychology at Canterbury Christ Church University, England, and specializes in Adlerian Counseling and Psychotherapeutic Approach at the Hellenic Society of Adlerian Psychology (H.S.A.P.). Additionally, he attends various educational conferences related to grief, anxiety, anger, and panic attacks.

Antoniadou Katerina is a Clinical Psychologist - Cognitive Behavioral Therapist and maintains a private practice in Thessaloniki, where she provides individual support to adolescents and adults. She is a graduate of the Psychology Department of Aristotle University of Thessaloniki, with postgraduate studies in Clinical Psychology at the University of Lausanne, Switzerland. Additionally, she has completed the four-year training program in Cognitive Behavioral Therapy at the Hellenic Society for Research and Behavior in Thessaloniki, as well as training focused on Acceptance and Commitment Therapy. Furthermore, she has been trained in Cognitive Analytic Psychotherapy at the Medical Psychotherapeutic Center of Thessaloniki. Considering that education must be continuous and multifaceted, she obtained a diploma in mental health training from the General Hospital of Thessaloniki Papageorgiou and attended training seminars on divorce management from the National and Kapodistrian University of Athens (EKPA) and on psychoanalytic therapeutic approaches from the Psychoanalytic Society of Northern Greece.

Moreover, in 2015, she served as a scientific collaborator at the Adolescent Unit of AHEPA Hospital, where she gained experience working with children and adolescents. Additionally, during the 2015-2016 period, she voluntarily offered her services as a Mental Health Counselor at the Hellenic Center for Mental Health and Research in Thessaloniki. Furthermore, since 2016, she has worked with Non-Governmental Organizations to support socially vulnerable and at-risk groups, with an emphasis on supporting refugee populations. Concurrently, since 2021, she has provided services as an external collaborator for the psychosocial support of staff in a Non-Governmental Organization, organizing individual and group sessions as well as training seminars.

Spanos Antonis is a Psychologist with a private practice in Elefsina. Additionally, he serves as the Head of the Psychosocial Sector at Aktio and Coordinator of the Elderly Care Units "Aktio and Aktio Alzheimer Unit." He studied Psychology at the National and Kapodistrian University of Athens and subsequently specialized in Transactional Analysis-Psychotherapy, Cognitive-Behavioral Psychotherapy, Crisis Management, Grief Management, and Neuropsychological Assessment by attending training programs at the Hellenic Society for Behavioral Research and the Athens Synthesis Centre. Concurrently, he participated in numerous seminars and conferences related to adult psychopathology. In recent years, he has worked as a Supervisor, Coordinator, Psychologist, and Scientific Director in mental health units, support centers, and helplines focused on mental health issues within the framework of psychiatric reform and the Psychargos programs. He has also served as an External Associate of hellaseap, the Center for Synthetic Therapy of the Soul.

Tarsani Triantafyllio is a Psychologist - Psychotherapist licensed to practice and maintains a private practice in Metamorfosi. She conducts sessions both in-person and online. She works psychotherapeutically with adults, children, adolescents, and parents. She is a graduate of the Department of Psychology at the University of Crete and holds a postgraduate degree (M.Sc.) in "Mental Health and Child and Adolescent Psychiatry" from the Medical School of the National and Kapodistrian University of Athens. She has specialized in "Adult Cognitive Behavioral Psychotherapy (CBT)" as well as in "Parent Counseling" at the Center for Applied Psychotherapy and Counseling (K.E.PSY.SY), and has also received basic training in "Acceptance and Commitment Therapy (ACT)" at the Society of Cognitive and Behavioral Studies. Additionally, she has been trained in Special Education and in supporting children with Autism Spectrum Disorder at the National and Kapodistrian University of Athens, as well as in "adolescent group coordination" at the Panhellenic Association of Parent Schools. Since 2021, she has been working as a private psychologist, providing psychological support to adults, children, and adolescents, while collaborating with specialized therapy centers. Concurrently, she has worked as a psychologist in primary education schools in Attica, in camp programs for individuals with disabilities, in Vocational Training Centers, and as a parallel support companion. Moreover, she is actively involved in volunteer work at facilities for people with disabilities and contributes articles to the website psychologynow.gr. She is a member of the British Psychological Society and supports lifelong learning by participating in conferences, educational programs, and seminars in the fields of psychology and psychotherapy.