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  • Photo of Massimo Navarretta
    Massimo Navarretta
    Administrative Assistant to the Sage Center
    Bio
     
    Massimo Navarretta started as Administrative Assistant to the Sage Center in 2025. He also acts as Water Polo Assistant Coach and previously served as a long-term substitute teacher in the History & Social Studies Department. In his spare time, he volunteers as a docent with the Richard Nixon Foundation. Navaretta earned his bachelor’s degree in Classical Civilizations from UC Berkeley and master’s degree in Humanities from Cal State Northridge.
  • Desiree Nguyen
  • Photo of Dinh Nguyen
    Dinh Nguyen
    Mathematics Teacher
    Bio
     
    Dinh Nguyen joined Sage Hill in 2021 as a mathematics teacher. Dr. Nguyen previously worked at the Polytechnic School in Pasadena and has more than six years of teaching experience at both the college and secondary school levels. Dr. Nguyen advises the Sage Prosthetics service-learning project and teaches the 3 Design, Modeling and Fabrication class. He has a bachelor's degree in mathematics from UC Berkeley and a PhD in mathematics from USC.
  • Photo of Jason Nguyen
    Jason Nguyen
    Network Systems Manager
    Bio
     
    Mr. Nguyen is a Sage Hill School founding staff member. He has worked in independent and public schools for more than 20+ years. In addition, he has earned distinguished technical certifications from Microsoft, Oracle, and Cisco. Mr. Nguyen earned his Bachelor’s degree in Management Information Systems and a Master’s degree in Instructional Design and Technology at California State University, Fullerton.
Sage Hill School complies with Federal Transparency in Coverage regulations by providing a link to machine readable files related to the health plans offered to our employees. The machine-readable files are formatted to allow researchers, regulators, and application developers to more easily access and analyze data including negotiated service rates, and out-of-network allowed amounts between health plans and healthcare providers. Click here for the Blue Shield of California - Health Plan Transparency in Coverage.

Sage Hill School

A college preparatory independent day school for grades 7-12.

20402 Newport Coast Drive, Newport Coast, CA 92657
Phone: 949.219.0100  |  Fax: 949.219.1399
Sage Hill School admits students of any race, color, national and ethnic origin to all the rights, privileges, programs and activities generally accorded or made available to students at the School. The School does not discriminate on the basis of race, color, national and ethnic origin in administration of its educational policies, admissions policies, scholarship programs, and athletic and other School administered programs.