Sociologist, methodologist, social vaccinologist, sociomedical researcher, interpersonal and medical communication trainer, socio-urbanist, evaluator, university lecturer, head of the Sociomedical Research Center, and professor at the University of Warsaw. Author of dozens of scientific publications in sociology, sociomedicine, public health, and social vaccinology. Author of 5 scientific monographs and 5 textbooks for health care professionals.