Antoni Kłeczek was born on 30 October 2006. He has studied under Anna Ouspenskaya and Martin Labazevitch (at first at the Levine School of Music, and then privately). He is tutored by Piotr Paleczny and Jeffrey Swann, and has won The Arthur Rubinstein In Memoriam in Bydgoszcz (4th prize, The Fundacja Kościuszkowska Chopin Competition in the USA (2nd prize) and The Chopin Competition in Szafarnia (1st prize). He has given recitals in the USA, Poland, Puerto Rico and Hungary, and performed with orchestras in Poland (Sinfonia Iuventus) and abroad (The Washington National Philharmonic).