Grzegorz Mania graduated with distinction from the Academy of Music in Kraków (where he studied piano under Stefan Wojtas) and the Guildhall School of Music and Drama in London (where he was tutored by Martin Roscoe, Charles Owen and Caroline Palmer). He also read law at Jagiellonian University, and obtained a PhD for a dissertation about music and copyright law. In 2019 he obtained a post-doctoral degree in the Academy of Music in Kraków.

He works extensively as a recitalist, an orchestral soloist, and a chamber musician, and is a member of the Piano Cooperative and the Extra Sounds Ensemble. Mr Mania is a versatile pianist, regularly performing in duet with violist Katarzyna Budnik and pianist Piotr Różański. He has appeared at international festivals throughout Poland, United Kingdom, France, Germany, Finland, Austria, Italy, Norway, Iceland, Vietnam, Israel, the United States of America, Cyprus, and Ukraine, and has been a finalist in a number of international solo and chamber competitions from 2002 to the present.

A co-founder and president of the Polish Chamber Musicians' Association, Mania also co-authored an innovative, 3-part sight-reading handbook for pianists. PWM Editions recently published Mania’s definitive volume on music and authors’ rights, as well as his selection of works for piano four hands for intermediate and advanced pianists.

Currently, Grzegorz Mania divides his time between professorship at the Feliks Nowowiejski's Music Academy in Bydgoszcz, lecturing law at the music academies in Kraków and Wrocław and rehearsing chamber music programs all over Poland. He is also an artistic director of chamber music festivals in Kraków, Rzeszów, Zielona Góra, and Gdańsk.