Dr hab. Alina Kowalczyk-Juśko is an employee of the University of Life Sciences in Lublin, habilitated doctor in the field of engineering and technical sciences. She deals with renewable energy sources, especially the energy use of biomass. He cooperates with producers of agricultural biogas, consulting the selection of substrates and handling of digestate in the technical, legal and environmental aspect. She completed numerous research internships at foreign universities dealing with the production of energy from renewable sources, and participated in national and international research projects related to this subject. She is a co-author of numerous articles and books on biogas production and other methods of obtaining energy from biomass.