Krystian Jan Ochman (Polish pronunciation: [ˈkrɨstjan ˈɔxman]; born 19 July 1999), known professionally as Ochman, is a Polish-American singer-songwriter. He rose to fame after winning the eleventh season of The Voice of Poland and represented Poland in the Eurovision Song Contest 2022 with the song "River".

Source: Wikipedia (https://en.wikipedia.org/wiki/Krystian_Ochman)