Katherine is an internationally acclaimed musician in the band Cimorelli. Composed of five sisters, Cimorelli is one of the top YouTube music channels worldwide, amassing over 5 million subscribers and 1 billion views. She is a co-author of the book, Believe In You, a book of advice and stories for young women. Katherine is passionate about her Catholic faith and lives it out in many acts of service to others. She has helped fundraise for several nonprofits, and serves as an Ambassador for Living Waters for the World. Katherine holds a Certificate in Nonprofit Fund Development from the University of Notre Dame.