Michalis Mexis was born and raised in Heraklion, Crete, Greece, and has been living and working in Athens since the age of 18. He is a licensed psychologist specialized in performance psychology and a candidate Chartered Sport Psychologist (CPsychol) with the British Psychological Society (BPS). He holds a BSc in Psychology from the University of Central Lancashire (UCLan) and an MSc in Sport Psychology from Staffordshire University (Staffs).

He has gained clinical experience in mental health settings, including the liaison psychiatry unit of the General Anticancer Hospital of Piraeus (E.A.N.P.) and the Piraeus Mental Health Center, enhancing his understanding of psychological support across diverse populations. With several years of experience in leadership roles within high-demand environments, such as special operations units, he has developed a strong focus on crisis management and psychological resilience.

Currently, he works as a specialist in performance psychology and leadership, designing and delivering programs for psychological skills training, performance monitoring, and personal development. He offers counseling to adults and adolescents seeking to manage anxiety and emotional difficulties, enhance daily functioning, and improve interpersonal relationships. In parallel, he collaborates with high-level athletes and professionals from demanding fields including business, military, and the creative arts supporting them in optimizing performance, mental resilience, and overall well-being.