Julie Hoeltzel has been called a "a standout" with a "superbly nuanced voice" and tremendous "command of character". In a 2012 performance of Die Fledermaus, her Adele was deemed "ready for the MET!". Recent opera roles include Beth March in Little Women, Monica in The Medium, Adina in L’Elisir d’Amore, Olympia in Les Contes d’Hoffman, Lola in Gallantry, Lightfoot in Cold Sassy Tree and Rosina in Il Barbiere di Siviglia. The past summer of 2017, she made her mainstage Musical theater debut as Glinda the Good in The Wizard of Oz. She is also a coveted concert soloist, having performed in works such as Haydn's Lord Nelson Mass, Karl Jenkin’s Stella Natalis, and in April 2015 was featured in the U.S. Premiere of Howard Goodall’s Every Purpose Under the Heaven. This year she will join the Houston Grand Opera HGOco. roster as a Storybook Opera Artist and Teaching Artist.
Her talents have taken her to work with companies such as Main Street Theater, Opera in the Heights, Houston Grand Opera, Lonestar Lyric Opera, Opera Vista, and the Houston Symphony Chorus. Academic performances have also been done with the Moores Opera Center, Kingwood Summer Opera, Seagle Music Colony, Smothers Theater at Pepperdine University, and the Franco-American Vocal Academy.