Mandy made her Broadway debut as Princess Amneris in the Tim Rice/Elton John musical AIDA. She appeared in the musical Lennon, based on the life of John Lennon and Yoko Ono, and she also starred opposite Michael Crawford as Sarah in Dance of the Vampires.

Mandy is perhaps best known for her OBIE Award-winning performance in the Off-Broadway production of Eli's Comin', the musical based on the lyrics and music of songwriter Laura Nyro.

She recently returned from a Korean tour of Jekyll and Hyde:the concert. Workshops include In the Heights dir. Tommy Kail, Duncan Sheik/Steven Sater's The Nightingale, Wicked dir. Joe Mantello, The Color Purple dir. Gary Griffin, Best Little Whorehose in Texas dir. Joe Mantello, Beehive on Broadway dir. Debbie Allen, When You Wish dir. Tina Landau and Warm dir. Scott Schwartz.

Mandy can be seen in Julie Taymor's upcoming Across the Universe, In God's Hands, NBC's Third Watch, and Guiding Light. She can be heard on the film soundtracks of Mulan 2 and Urban Legend.

Mandy is a proud member of the Broadway Inspirational Voices.