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   An Affiliated Training Center of Albert Ellis Institute   



Καταγραφή 2


Chrysoula Kostogiannis (Ph.D., RECBT, Ellis Scholar)

Director and Supervisor of the Hellenic Institute for RECBT


Dr. Chrysoula Kostogiannis, studied Psychology in the United States of America, and holds degrees in Psychology (Bachelor of Science, 1986) from Baylor University in Texas, postgraduate degree in Psychology (Master of Arts, 1991) and doctoral degree Psychology (Doctorate of Philosophy, 1994) from Hofstra University in New York, in Clinical and School Psychology. She completed her post doctoral clinical training at the Albert Ellis Institute in New York, where she participated in Post-Doctorate Fellowship Training in Rational Emotive & Cognitive Behavioral Psychotherapy, in 2000. In 2003, she founded, and since then directs, the Hellenic Institute for Rational Emotive & Cognitive Behavior Therapy in Athens, Greece, which is an Albert Ellis Affiliated Training Center. Dr. Kostogiannis supervises mental health professionals, especially psychologists and psychiatrists, as part of their training in Rational Emotive & Cognitive Behavioral Therapy, in Athens at other international affiliated centers.

From 1995 until 2012, she served as Professor of Psychology and Assistant Head of the Department at the American College of Greece (Deree College), where she taught courses of applied psychology, including, Child and Adolescent Psychopathology, Adults Psychopathology, Counseling Psychology and Schools of Psychotherapy, Psychometrics, Assessment of Intelligence and Personality, Theories of Personality, Diversity and Stress Management. During the period 2012-2013, she was appointed Director of Psychology programs at the Hellenic American University/Hellenic American College, where she operated the master’s degree program in Clinical Psychology, while during the period 2013 - 2014, she was appointed Chair of Psychology of the Hellenic American University/Hellenic American College in Athens, Greece. In addition, in 2013, she established the Hellenic American University/ Hellenic American College University Center and served as its Director until 2014. Dr. Kostogiannis, presents a rich research background, where she investigates the effectiveness of Rational-Emotive & Cognitive Behavioral Therapy, with diverse issues, including cultural underpinnings of psychopathology, anger, depression, eating disorders and obesity, relationship issues and others. Within the context of Clinical Psychology, she is an expert in Rational Emotive & Cognitive Behavioral Therapy, Counseling and Coaching with individuals, groups, and couples, addressing psychological issues and promoting psychological wellbeing. In addition, Dr. Kostogiannis works in private practice with individuals, groups and couples with various socio-emotional and behavioral issues. She has collaborated as an external associate psychologist, with business executives in various organizations, for the promotion of professional satisfaction and prosperity of human resources.

Furthermore, she specializes in psycho-educational assessment of school difficulties, including learning difficulties and ADHD, and behavioral and emotional difficulties, and provides services of career discovery and guidance with adolescents and adults. Within the context of School Psychology, she also holds extensive experience as an external counselor and consultant at many schools for the last 20 years, with presentations and workshops for parents and educators, on topics ranging from parental awareness of childhood and adolescence issues to specific trainings for parents and educators (e.g., coaching, anger management, communication skills, and other tailor made topics). Dr. Kostogiannis, was certified as School Psychologist from New York’s State in 1990, while she is a regular member of the Association of Greek Psychologists (SEPS) and past member (1998) and current international affiliate member of American Psychological Association (APA).

Since 1994, she been in professional practice in the area of Maroussi, with a professional license provided by the Greek state. She is married with two children and she lives in Athens.





Demetris Katsikis (Ph.D., RECBT)

Coordinator of Mental Health Services, Research and Training at the Hellenic Institute for RECBT


Dr. Demetris Katsikis works as a psychologist and a psychotherapist. He obtained his Ph.D. (2013) in Developmental and School Psychology from the School of Psychology, Aristotle University of Thessaloniki, Greece. His doctoral dissertation tested and applied effectively a counseling model of Social Cognitive Career Theory (Lent, Brown, & Hackett, 1994) in mid-adolescents, who were screened to be at risk for choice failure in personal and career domains, endorsing a new cognitive-behavioral self-management technique for managing barriers and enhancing supports. He is qualified and accredited to work as a Rational-Emotive & Cognitive-Behavior Therapist and he is a fellow of The Hellenic Institute for Rational-Emotive & Cognitive-Behavior Therapy (RECBT; Affiliated Center of the Albert Ellis Institute, New York, USA) in Athens, Greece. He is also trained in Functional Behavior Analysis (FBA) from the “Monorodi” Model Scientific Center of Therapy and Behavior Analysis in Athens, Greece and in Counseling Process from the Association for Social Exclusion and Mental Health in Thessaloniki, Greece.

He currently works as a psychotherapist and as the coordinator of mental health services, research and training at the Hellenic Institute for RECBT in Athens, Greece, where, a) he runs a programmatic research framework of basic and applied research indicating the significance of the construct of (ir)rational beliefs in the human output (emotions, behaviors, cognitions, physiological indicators, wellness), b) he trains mental health professionals to become Rational-Emotive and Cognitive-Behavioral Psychotherapists/Educators/ for working with children and adolescents, and c) he co-trains people to become Rational-Emotive Behavioral Coaches along with Windy Dryden and Chrysoula Kostogiannis. He has collaborated with the School of Psychology, Aristotle University of Thessaloniki, Greece, the Mediterranean College of Thessaloniki, Greece and the Hellenic American University in Athens, Greece teaching courses on child and adolescent assessment, developmental psychology, psychology of learning disabilities, psychopathology and diagnosis, and ethics in psychology.

Further, he actively participates as a researcher, lecturer and author of research programs, congresses/conferences and journals. He is also in the editorial boards of the Journal of Rational-Emotive and Cognitive Behavior Therapy and the Journal of Evidence-Based Psychotherapies. In June 2014, his work with his colleague Dr. Chrysoula Kostogiannis on the role of Greek Philosophy quotations in Rational-Emotive Behavior Coaching received the first prize among 15 countries during the 1st International Congress of Cognitive Behavior Coaching in Cluj-Napoca, Romania.



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