In 2004 Stober became a member of the Young Artist program at the Houston Grand Opera (HGO) after winning the HGO's Eleanor McCollum Competition for Young Singers. At the HGO she studied voice with Stephen King. She made her debut with the company as La China in the world premiere of Daniel Catán's Salsipuedes: a Tale of Love, War and Anchovies in October of that year. She has continued to perform regularly with the HGO in roles like The Rose in Rachel Portman's The Little Prince (2004), Barbarina in The Marriage of Figaro (2005), Xenia in Boris Godunov (2005), Aphrodite/Charito/Tisiphone in the world premiere of Mark Adamo's Lysistrata (2005), Susanna in The Marriage of Figaro (2005, 2006, and 2016), Frasquita in Carmen (2006), Drusilla in L'incoronazione di Poppea (2006), Norina in Don Pasquale (2006), Blonde from Die Entführung aus dem Serail (2008), Atalanta in Serse (2010), Musetta in La bohème (2012), Cleopatra in Giulio Cesare (2017), and Miss Thompson/Helen Mills/Adelaide Mills in the world premiere of Ricky Ian Gordon's The House without a Christmas Tree (2017).
