Head of the Department of Adult Psychiatry in Medical University of Lodz, National Consultant in Psychiatry, Chairman of the Mental Health Board, Lecturer at the National School of Judiciary and Public Prosecution in Krakow, specialist in psychiatry, specialist in sexology, academic teacher and practitioner. Chairman of the State Examination Board in the field of psychiatry and psychosexuality, Member of the Comittee of Neurological Sciences of the Polish Academy of Sciences and Head of Postgraduate Studies at the Medical University of Lodz "Psychiatry, sexology, forensic psychology". Author and co- author of textbooks and over 350 publications, among others combining the issues of psychiatry, psychology and aspects from the so-called borderline between law and psychiatry. In his clinical and research work, he strives to understand the biological condition of mental illnesses, mainly depressive disorders. Author of the "neurodevelopmental theory of depression", integrating previous approaches in understanding the etiology of this disease.