Mr. Prietto discovered the joy of teaching as a Jesuit Volunteer in Managua, Nicaragua.


Prior to Mater Dei, Mr. Prietto taught Religious Studies at Saint Francis High School in Mountain View and served in several leadership roles including: boys assistant varsity volleyball coach, associate campus minister for immersions, and department chair.


He and his wife have two young children. They enjoy spending time the beach with their extended family.




Master of Divinity, Jesuit School of Theology, Berkeley.

Bachelor of Arts, Philosophy;

Bachelor of Arts, Spanish Studies, Santa Clara University.


Teaching since 2005


At MD since 2019