Since 1999, assistant professor at the Department of Enterprise Analysis and Strategy, then at the Department of Labor and Social Policy. President of the City of Zgierz in 2010-2014. Director of the National Institute of Territorial Self-Government (unit subordinate to the Minister of Internal Affairs and Administration) in 2016-2024. Currently Councilor of the Zgierz County. Since 2016, member of the Council of Public Managers of the Faculty of Management at the University of Lodz and since 2021 member of the Business Council - branch of the University of Lodz in Tomaszów Mazowiecki. In 2012-2015 Member of the Management Board of the Association of Polish Cities and Member of the District Employment Council in Zgierz. In 2014-2015 Member of the Management Board of the Lodz Metropolitan Area. Member of the supervisory boards of municipal companies and a State Treasury company. Expert of the Office of the Independent Program, Grant Program of the Office of the Independent Program. Certified by the Lyon Chamber of Commerce in France (marketing, communication). Intern at the Higher School of Commerce in Marseille (France). Author and co-author of several dozen scientific publications. Coordinator and secretary of numerous EU projects. Trainer, organizer of conferences, trainings and seminars