1. Senior Researcher, Professor of the Department of Criminal, Criminal and Executive Law and Criminology, Academy of the State Penitentiary Service, 14000, Chernihiv, Ukraine.
2. Department of Postgraduate Studies, Academy of State Penitentiary Service, 14000, Chernihiv, Ukraine.
3. Chief researcher of the department of scientific activity and international cooperation of the Academy of the State Penitentiary Service, 14000, Chernihiv, Ukraine.
4. Deputy head of the Department of Theory and History of the State and Law, Constitutional Law, Academy of the State Penitentiary Service, 14000, Chernihiv, Ukraine.