Previous Broadway credits include the Tony nominated musical School Of Rock, It Shoulda Been You directed by David Hyde Pierce, two separate engagements of the Broadway production of The Phantom of the Opera (the first for the show’s 25th Anniversary and the second opposite Norm Lewis), the revival of Master Class (opposite Tyne Daly) and The Little Mermaid (Drama Desk and Drama League nominations, Broadway.com Audience Choice Award). London theatre credits include Les Misérables, the 25th-anniversary concerts of The Phantom of the Opera at Royal Albert Hall and Love Never Dies (Olivier Award nomination). Other New York theater credits include the recent Off-Broadway production of The Goodbye Girl, Harmony, Manhattan Concert Productions’ The Secret Garden at Lincoln Center; the one-night-only concert of Guys & Dolls at Carnegie Hall opposite Nathan Lane, Patrick Wilson and Megan Mullally; the final Off-Broadway cast of Love, Loss, and What I Wore; and Music in the Air for City Center’s Encores! series. She also starred as Christine Daae in the Las Vegas production of The Phantom of the Opera. Regionally, she has been seen in The Secret Garden (CTG), A Little Night Music (Barrington Stage Company), Into the Woods (Hollywood Bowl), Ever After (Alliance Theatre), Age of Innocence (world premiere, Hartford Stage and McCarter Theatre), Princesses (world premiere, Goodspeed Opera House and Seattle’s 5th Avenue Theatre), and the national tour of Les Misérables. Film and Television credits include Vulture Club with Susan Sarandon and the web series “What’s Your Emergency,” directed by Michael Urie. Her recordings include School of Rock, It Shoulda Been You, the 25th-anniversary concert of The Phantom of the Opera (also on DVD), the symphonic recording of Love Never Dies, The Little Mermaid, and Andrew Lippa’s A Little Princess. Concert appearances include the BBC Proms at Royal Albert Hall, Lincoln Center’s American Songbook series The Lyrics of David Zippel, The New York Pops at Carnegie Hall, and Broadway by the Year at Town Hall. Sierra has toured all over the world across Australia, Japan, Paris, and London with her concert show, which has been preserved live and released on CD, Awakening: Live at 54 Below. She recently released an album of duets with Julian Ovenden made during the pandemic entitled Together at A Distance.