Head of the Department of Spatial Analysis and Real Estate Market at UWM in Olsztyn. Author and co-author of over a dozen textbooks and over 220 original publications on real estate management, real estate appraisal, and the real estate market. Speaker at scientific conferences organized in many countries around the world. Editor-in-chief of the quarterly Real Estate Management and Valuation, member of the National Qualification Committee for awarding professional qualifications in the field of real estate valuation.