Head of the Innovative City Department at the Warsaw School of Economics since 1999. Full professor since 2007. Outstanding expert on housing policy, real estate market and investment financing methods, with a special focus on housing investment. Author of books and articles on the subject, including "Real Estate Market - System and Financing" and "Financing of Housing Investments", and also in the field of urban revitalisation and innovation. He received three awards from the Ministry of Construction for his publications. Advisor to banks and real estate development companies. In 2000-2012, director of the publishing series "Real Estate" (Poltext). Former President of the Housing and Urban Development Agency.