School Leadership

Rebecca Hobbs, M.A., received her bachelor’s degree from the University of California, Berkeley, and later completed her master’s degree in Organization and Leadership at the University of San Francisco, School of Education. She is a Bay Area native who has taught and mentored youth for over fifteen years. Rebecca has had a continuing mission to serve the needs of all students. Before and while completing her M.A., she worked as a teacher at Tilden Prep Albany, where she assisted in curriculum development and became adept at identifying learning strengths and preferences for each student. Rebecca also taught an undergraduate course elective at U.C. Berkeley and co-led and developed a student-run group with an aim to increase high school student awareness regarding options for college. For over 7 years, she served as a Board Member and tutor volunteer for Back on Track SF, a volunteer organization that offers academic tutoring to under-served students. In her time outside of Headlands, she enjoys hiking, traveling, reading, cooking and eating, and spending quality time with friends and family.
Rebecca Hobbs — Founding Director
Kristie Moore-Arauz received her master’s degree in Counseling at Marshall University, in her home state of West Virginia. In addition to her counseling background, she brings extensive experience in educational leadership and development. She has more than twenty years experience working in the fields of education and counseling, in both the public and private sectors. Kristie has facilitated educational presentations and leadership trainings locally and nationally. She has a passion for education, equity and social justice and is committed to creating an environment that ensures success for every student. Outside of the office, ‘being mom’ is her favorite thing to do! She is an active member of the Marin Foster Parent Association and is involved in leadership at St. Raphael School. Kristie and her family are bi-cultural and bi-lingual (English/Spanish). Together they enjoy music, dancing, sports, traveling, and outdoor activities with their dogs.
Kristie Moore-Arauz — Executive Director

Alex Blumencranz has over 20 years of experience working with families and students. With a Master's degree in Family Therapy and certificated as a Montessori educator and Parent Coach, her journey in education began in 2006 as a classroom teacher. A passionate school administrator inspired to transform education through student-centered learning and inquiry-based education, Alex believes in lifelong learning and a growth mindset. She has presented at national conferences including Harvard's Project in Atlanta, GA and EduCon in Philadelphia, PA. When not at school, Alex enjoys spending time with her two college-aged sons, husband, and two golden retrievers. New to California, Alex is excited to explore the amazing outdoor life in Marin County and the Bay Area. 

Alex Blumencranz — Head of School

Suzi joined the staff at Headlands after 13 years in administrative support with the Mill Valley School District. She is a Bay Area native who raised her two children in Marin and relies on her own experience as a parent to support students and families. Suzi holds a B.A. in English from UC Davis, a J.D. from McGeorge School of Law, and has completed certificate programs in human resources law and DEI in the workplace.

Suzi Andrews — Director of Operations

Keith received his B.A. from San Diego State University majoring in History with a minor in Spanish. Pursuing a career in education, he obtained his Social Studies Teaching Credential and M.A. in Education from Dominican University. He took his dedication and passion for education to Terra Linda High School in San Rafael, CA where he taught 9th-11th grade Social Studies courses for 12 years. While at Terra Linda, Keith also served as the History Department Chair, Varsity Volleyball Coach, Teacher Support Mentor, and led students on volunteer humanitarian trips to Nicaragua, where he met his wife. Keith also taught in various homeschool programs, and served as the Director of Youth Programs for a small non-profit in Pt Reyes. His life’s work reflects his passion and commitment to social justice, equity and youth empowerment. Outside of school, Keith loves outdoor adventures, sports, music and travel, as well as spending time with his loving wife and hiking with their rescue dog.

Keith Fleming — Student Success Coordinator

After graduating from Hofstra University in 2021 with a B.A. in Audio Productions and Studies with a minor in Mass Media, Jay knew there was only one place she wished to live; the Bay Area. Jay was born and raised in Marin County. She has worked with youth of all ages, finding a passion for youth and parent involvement and support. Jay loves to spend her free time volunteering with the National Parks Conservancy where she works to preserve the beautiful ecosystems and native plant species of the Bay Area. Jay also loves to hike and explore national parks. When she's not volunteering or exploring, Jay is spending time roller skating with her friends or playing saxophone.

Jay Berk — Administrative Assistant

“The administration at Headlands (formerly Tilden Marin) is incredibly student-focused and understands the different learning styles that make a learning community. Our daughter has felt supported, has grown academically, and has connected socially. We really couldn’t have asked for a better school experience!”

Headlands Prep Parent