With over 18 years of experience in the nonprofit sector, Barreiro serves as a consultant for Arabella Advisors, which provides nonprofit accounting, accounting technology, and human resources services. Earlier in her career, she was Director of Finance at Aguila, an organization that partners with the City of New York to provide housing and support services, and worked at Alliance Home Services, a home healthcare services agency. Barreiro is a graduate of Mercy College and holds an MBA in General Management from the Metropolitan College of New York. She is fluent in Spanish and English.