Kwieciński studied at composition department of Koninklijk Conservatorium in Den Haag (the Royal Conservatory in The Hague, Netherlands) in the class of Richard Ayers, Diderik Hakmy-Wagenaar, Martijn Padding, Yannis Kyriakides and Louis Andriessen.
In 2010 he was awarded the 1st prize in the composers" competition "Young Masters XXI". In 2012 he was nominated for the Gaudeamus Prize.
In 2014, at the 61st International Rostrum of Composers his song "Canzon de "baci" won first place in the category of composers under 30 years of age, the recommendation in the general category and a special award of the United Nations Educational, Scientific and Cultural Organization International Music Council and Radio France.
