Date of Birth: 
Place of Birth: Białystok, Podlaskie Voivodeship, Poland
About Mateusz Grzesiak
- Mateusz Grzesiak (born April 3, 1980, Bialystok) is a Polish Ph.D.
- in economics, psychologist, university lecturer, personal development coach and consultant.
- 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.
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