Gunderson Admin

Gunderson's Admin Team

Mark Camilleri

is in his first year as Principal at Gunderson High school. Mark has worked at Gunderson as the assistant principal the past two years. Mark worked in Ravenswood City School District prior for 7 years. For the first five years he was a teacher, Academic Dean and coach. For the last two years, he worked as the Vice Principal and interim Principal. He has worked with PBIS for over 10 years and is excited to work at the first high school in San Jose Unified School District to implement it. Mark was a former student in the district and is happy to return back to help students be successful. He is a graduate of the University of La Verne with a Master’s Degree in Education and a Bachelor’s Degree in Movement and Sports Science. Mark is eager to continue working collaboratively with the Gunderson staff and community to prepare today’s students to be the thinkers, leaders, and creators of tomorrow.

Ness Hayden

is the Assistant Principal of Instruction at Gunderson High School. This is her third year as a Gunderson Grizzly administrator. Prior to joining Gunderson’s Grizzlies, Hayden was a discipline advisor and summer school principal at Oak Grove High School of East Side Union High School District. Prior to that, she was the science department head, programs department head, administrative designee, science fair coordinator, PBIS data analyst, district strategic planning committee member for Culture of Excellence, and union representative of Don Callejon School in Santa Clara Unified School District. She taught science for nine years and won a 2nd place teacher award from the Synopsys Science Fair in 2013. ​ Hayden possesses a B.A. in Molecular, Cellular and Developmental Biology from the University of California, Santa Cruz and a M.S. in School Leadership from National University. Hayden firmly believes the purpose of education is to help kids. When she isn't helping kids at school, Hayden enjoys spending time with her own two sons, gardening, camping, and baking.