Meet our Faculty

Meet our Faculty & Staff

Justin-Siena is home to an extraordinary group of committed faculty and staff who care deeply about our students. The faculty has an overall average of 17 years of teaching experience, and have been teaching at Justin-Siena for 12 years. 

Our teachers encourage and set high expectations not only for Justin-Siena students but also for each other. We recognize that mastery of our craft is a career-long process, one that Justin-Siena generously supports through professional development opportunities, a mentoring program for new faculty, tuition assistance for higher degrees, and other programs that support ongoing learning for our faculty. Learn why our faculty love their craft and their students below. 

Faculty/Staff Directory

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  • Xiaozhen Li

    Instructor of Mandarin

    "What I love most about teaching World Languages is the ability to open a window to the students to see something that is different than the things around them."
  • Chris Fidler

    Instructor of Engineering and Science
    Science Deparment Chair

    "I loved being part of this community as a student here, and it feels great to be able to continue to contribute to that community as a teacher."
  • Marisa Bartalotti

    Interim Chief Academic Officer

    "I see students show gratitude every day. They are incredibly thankful for the adults who help them on their high school journey and they appreciate their teachers and the hard work they do."
  • Alicia Valdivia

    Director of Admissions
    Instructor of Psychology

    "I am lucky to get to know our students when they are in middle school and see them grow into young adults. Watching this growth is inspiring. As a Psychology instructor, I love being able to pass my love for the subject onto my students."
  • Jake Spears

    Instructor of English
    English Department Chair

    "More than anything else, I love working with our students. The action of the classroom is what I live for. Discussing a story, playing with words, taking risks with ideas, it's awesome."
  • Sarah Goble

    Athletic Trainer

    "I love getting to work with the student-athletes on and off the field. Helping those that are injured return to their sport and teaching students the ins and outs of sports medicine and athletic training."

Faculty & Staff Directory

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Justin-Siena High School

Justin-Siena is a Lasallian Catholic college preparatory community that serves young men and women in grades 9–12.