Mateusz Grzesiak
About
Mateusz Grzesiak is a Polish consultant, psychologist and lecturer, Ph.D. in economics, and social sciences. Author of various books on management, marketing, psychology of success, change, relationships, and emotional intelligence. Author of Mixed Mental Arts - an integrated model of soft skills. Grzesiak significantly contributed to the creation and then popularisation of the personal development market in Poland.
