He began to perform when still a student. He studied the piano at the Fryderyk Chopin Academy of Music in Warsaw in Professor M. Trombini-Kazuro’s class and Professor B. Hesse-Bukowska’s class. He graduated with honours in 1982.
He has performed in many cities in Poland and also in Bulgaria, Hungary, Czekia, Slovakia, Lithuania, Germany, Austria, France, Italy, Spain, Finland, Sweden, Russia, Japan, Mexico, USA, Canada and Australia. He has participated in many music festivals including Duszniki Zdrój, Słupsk, Antonin, Busko-Zdrój, Gaming (Austria) and Toledo (Spain). He has played many times with Barbara Hesse-Bukowska, presenting compositions for two pianos and orchestra; he has accompanied the American mezzo-soprano Kimbal Wheeler; he has also played with the Varsovia Quartet and NIH Chamber Players, flautists Julius Baker, Thomas Prevost and Grzegorz Cimoszko and oboist Stanisław Malikowski.
For several years now Maciej Piotrowski has been playing in duet with Wojciech Walasek, the excellent cellist (in Poland, Austria, Spain, Germany, Bulgaria, France and other countries).
He has recorded works by Bach, Mozart, Chopin, Szymanowski, Rachmaninoff, Prokofiev and Ravel for Polish Radio and Television. He has lectured at the Fryderyk Chopin University of Music in Warsaw since 1985 (piano and piano chamber music) and also taught master courses in Japan, Brazil, Australia and USA. Maciej Piotrowski has judged piano competitions in Poland, Germany, Spain, Thailand, France and Canada.
In 2012 he was elected Deputy Dean of the Department of Vocal and Acting Studies of the Fryderyk Chopin University of Music for the term of office of 2012–2016.