Mrs. Guernsey graduated from the University of San Francisco with a B.A. in Philosophy and B.S.N. in Nursing. She moved from Ann Arbor, MI to Ave Maria in 2007 with her six children and husband Dan, who was the founding headmaster and principal of Donahue Academy. In addition to her time here as a school nurse, she has experience in medical/surgical nursing, wound care. She enjoys spending time with her family, reading, and sports.