Marian graduated from the University of the Philippines and completed her AMS Early Childhood Montessori Training at Northeast Montessori Institute. She tenured in different institutions in China, Indonesia and the Philippines; that made her a seasoned educator for almost 20 years. Her posts have been versatile ranging from working as a Montessori Lead Teacher, Curriculum Designer, Academic Coordinator and Montessori Trainer.
Aside from her passion in teaching, she is also a community organizer. She is the founder of The Filipino Teachers in China, ECPC (Early Childhood Parent Conversations) and Co-Founder of Montetunities. Marian also founded Cornelia Montessori Philippines, a start-up, vying to build a physical school once funded through a crowdfunding project.
Currently, she is working closely with Ruth Novales, a Montessori colleague; in creating an integrated Montessori and Philippine Curriculum with the aim of developing children in a holistic way.