Born in San Luis Potosi, Mexico, Rosalba earned her B.S. in Biology and Pharmacology. After moving to the United States, she worked in the medical field for more than 20 years. She earned her M.S. in early childhood from Wheelock College and worked in the Brookline Early Education Program (BEEP) for 5 years as a paraprofessional, extended day instructor, and preschool lead teacher. She strongly believes in empowering children by having their voices heard.