He continued his training with a year each at the Kirov Academy of Ballet in Washington, D.C., and the Harid Conservatory in Boca Raton, Florida.
In 2001, he started at the Houston Ballet's Ben Stevenson Academy.
[1][3] Walsh joined Houston Ballet as a member of the corps de ballet in 2004, the year he won the first annual gold award from the National Foundation for Advancement in the Arts.
[1][3] His repertoire includes Albrecht in Giselle, the Prince in Swan Lake, The Sleeping Beauty, The Nutcracker, Basilio in Don Quixote, and Colas in Sir Frederick Ashton's La fille mal gardée.
Leading roles created for Walsh include Stanton Welch's ballet Marie (February 2009), Welch's new staging of La Bayadère (February 2010), and Jorma Elo's ballet ONE/end/ONE (May 2011).