Mrs. Guilfoy completed her Bachelor of Arts Degree in Fine and Performing Arts, Bachelor of Science Degree in Communication Disorders and Master of Arts Degree in Speech Pathology, all from Saint Louis University. She came to Miriam School in 2016 after serving as the Early Childhood Speech and Language Pathologist for United Services in St. Charles and working as a speech and language therapist for Miriam Learning Center. Mrs. Guilfoy also previously worked for Kirkwood United Methodist Pre-School as an early childhood teacher and for Special School District of St. Louis County in an early childhood speech and language program and in the Special Non-Public Access Program.