She has been a Resident Artist in the young artist studios run by The Indianapolis Opera,
Toledo Opera, and The Florentine Opera Company.
Heralded as “hilarious and impressive”, Katherine has sung with numerous opera companies
across the United States.
"Fili, not only sings fluidly, but gets the male character's physicality well."
DC Metro Theater Arts 2018
"Simulataneously hot enough
to be a witch and adorable
enough to be a little boy.
"Fili’s easy command of the vocal as well as physical and dramatic demands of the mezzo-soprano role make her an irresistible character."