Attorney at law, PhD, DSc in legal sciences (habil.), certified suicidologist. A long-time employee of scientific and research institutions, he completed a 3-month research internship at the University of Tallinn (Estonia) and a 2-week query in the UK. Author or co-author of several dozen scientific publications (including 8 scientific monographs). Participates in Polish and international research projects, he is an expert at the Centre for Advanced Research on Integrity, Rights and Inclusion of the Child (Estonia), an expert-consultant at the meetings of the European Institute for Gender Equality (EU).