On March 1st Arek Jędrzejewski joined our Department, as a postdoc in the MAESTRO grant. Arek has background in Physics (BSc, Dr) and Applied Math (MSc). He is passionate about modeling and analyzing socio-economic phenomena, including price forecasting, opinion dynamics and innovation diffusion (more on: http://if.pwr.edu.pl/~jedrzejewski). Welcome to the team!