Xristina Matsatsini Yfanti is a Psychologist with a private practice in Agios Dimitrios, Attica. She graduated from the Department of Psychology at Aristotle University of Thessaloniki, holds a license to practice psychology, and is a regular member of the Hellenic Psychological Society. She has been trained in Cognitive Behavioral Clinical Hypnotherapy, Neuro-Linguistic Programming (NLP), Mindfulness, and Ericksonian Hypnotherapy at the Center for Psychotherapy and Modern Applied Psychology. She holds the Advanced Professional Diploma in Therapeutic Clinical Hypnotherapy (TCH) - Cognitive Behavioural Hypnotherapy (CBH) as well as the Professional Diploma: Clinical NLP and Mindfulness Practitioner & Advanced Ericksonian Hypnotherapy Practitioner. Additionally, she completed supplementary training in Understanding DSM-5 Diagnostic and Statistical Manual for Mental Disorders at the Center for Psychotherapy and Modern Applied Psychology, as well as the Introductory Seminar Series in Music Therapy at the Music Therapy Department of the Philippos Nakas Conservatory. Since September 2024, she has been training in Systemic Psychotherapy and Counseling at the Center for Systemic Study and Therapy (Ke.S.Me.Th.). During 2015–2016, she completed her internship at the HELPLINE 1145 - KETHEA. From 2019 to 2020, she volunteered in the Music Therapy Department of the Day Center of the "Amimoni" Association, working with individuals with visual impairments and additional disabilities, while concurrently, from 2019 to 2022, she worked as a Psychologist at the Center for Special Therapies for Children and Adults "The Child’s Yard."