born in 1990 in Cracow, graduated with a distinction from the Music Academy in Cracow after composition studies with Krzysztof Meyer, at present is doing his masters at The Royal Academy of Music in Aarhus in Simon Steen-Andersen’s class and PhD at the Music Academy in Cracow in Magdalena Długosz's class.
His composition were performed at several concerts among others in Music Academy in Cracow, Music Academy in Gdańsk. Participated in workshops and festival where his composition were presented: Axes – Triduum muzyki nowej (Cracow 2010), Ostrava days (Ostrava 2011), Nature meets Music (Görlitz 2011-12), Sympozjum z okazji setnej rocznicy urodzin Johna Cage’a (Lublin 2012), 24. Dni Muzyki Kompozytorów Krakowskich (Cracow 2011), workshops with Jack Quartet (Copenhagen 2013), workshops with Esbjerg Ensemble (Esbjerg 2014), GeoSounds – as a composition teacher (Leipzig, Dresden 2012-2014), Pulsar festival (Copenhagen 2014), RAMA festival (Aarhus 2014), Aarhus Jazz Festival (Aarhus 2014), Wawel o zmierzchu (Cracow 2014), Synthesis – International Summer Course for Composers (Radziejowice 2014), Warsaw Autumn and Little Warsaw Autumn (Warsaw 2014), China Day Music Festival (Copenhagen 2014), Alkagran – XXII Autumn Music Festival (Czechowice-Dziedzice 2014), Next Generation Workshops during Donaueschingen Festival (October 2014).
Peszat won 2nd prize ex equo at Composition Competition Kompozytorski koncert roku (Katowice 2011), is a finalist in 54. Tadeusz Baird Composition Competition (Warszawa 2013). In December 2013 he was awarded the prize of The Ministry of Culture and National Heritage for the best students. On the late July 2013 Piotr won Roche Young Commissions Composition Competition in Lucerne. He got commission for an orchestra piece, which will be performed during 77. Lucerne Festival in 2015. Peszat won competition organized by Ensemble MusikFabrik in cooperation with Adam Mickiewicz Institute and as a one of four polish composers will take part in workshops with MusikFabrik in November 2014. On September 2014 Peszat won international competition MCI Meeting Competition in Copenhagen.