Maria Kowroski was born in Grand Rapids, Michigan, where she began her ballet training at age seven with the School of Grand Rapids Ballet. She entered the School of American Ballet in the fall of 1992. She became an apprentice with New York City Ballet in the summer of 1994 and was invited to join the Company as a member of the corps de ballet in January of 1995. Promoted in the spring of 1997 to the rank of Soloist and in the spring of 1999 to Principal Dancer.
George Balanchine's Agon, Apollo, Brahms-Schoenberg Quartet, Chaconne, Concerto Barocco, Firebird, The Nutcrakcer, Jewels, A Midsummer Night's Dream, Mozartiana, Swan Lake, Serenade and Symphony in C; Peter Martins' The Sleeping Beauty, Swan Lake, Suite from Histoire du Soldat and The Waltz Project; Jerome Robbins' The Cage, The Concert, Dances at a Gathering and Piano Pieces; Richard Tanner's Sonatas and Interludes.
Maria Kowroski was the recipient of the Princess Grace Award in 1994.