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. Since 2012, she has served as a Board Member 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, 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, Head of School
Alexandra Norman received her Master’s in Private School Leadership from Teachers College at Columbia University, and her Bachelor’s in French and Philosophy from Drew University. Alexandra has ten years of experience teaching and tutoring students one-on-one and in small groups. She spent four years at Tilden Albany, where she taught French, English, History, and Art, developed curriculum, and served as Foreign Language Department Chair. Alexandra brings experience in leadership, staff training, and the science of how people learn to Headlands Prep. She uses her visual skills to foster a fun and visual approach to education and curriculum development while helping students to cultivate their executive functioning skills. As a Marin County native, Alexandra is delighted to be back where she grew up, bringing her passion for supporting students with learning differences to the Marin educational community. In her free time Alexandra enjoys painting, book collecting, hiking, and looking after her many family poodles: Gus, Little, Jackie, Audrey, and Lily.
Alexandra Norman, Dean of Faculty & Academics
Mark Loos received his doctorate degree in Organization and Leadership from the University of San Francisco, his master's degree in Education Administration from San Francisco State University and his bachelor's degree in Liberal Studies from the University of the Pacific. He brings twenty five years of experience to Headland's Prep as a teacher, high school vice principal, elementary school principal and director of student services. He has served as an educational consultant within special education and student services, and has presented for the Association of California School Administrators. Mark always looks for ways to improve student lives and opportunities for them to achieve their highest potential. He is extremely excited to use his high energy and enthusiasm to support Headlands Prep! Mark grew up in central Marin and attended Marin Catholic High School. He is a sports nut who loves Pacific Water Polo, Navy Football and the San Francisco Giants. He is a 1991-1998 member of the USA Triathlon Federation of Professional Athletes and a PADI scuba diving instructor. Mark spends his free time traveling, listening to alternative music, mountain biking and spending time with his family.
Mark Loos, Dean of Student Support
Ali received her B.A. in Studio Art from UC Santa Cruz. She recently started a master’s program to study Special Education at Dominican University of California. Ali has taught students of all ages in the classroom and the outdoors for almost 15 years. She holds an ELE 1 certification from the American Montessori Society and through her Montessori vocation, developed her appreciation for differentiated education. In addition to her time in the classroom, she has worked and volunteered for several Bay Area organizations including the Bay Area Discovery Museum, Environmental Traveling Companions, and Bay Area Outreach Recreation Program. She is committed to education and delighted to be a part of the Headlands Prep team. She grew up in West Marin and is passionate about adventuring and exploring the rest of California. Outside of the work environment, she enjoys drawing/painting, visiting museums, swimming in open water, reading, fishing, and bike rides with her family.
Ali Lino, Academic Support Coordinator
Kara received her B.A. in Spanish and Foreign Language Education from Eastern University, located just outside of Philadelphia, PA. Her passion for languages and communication has opened many doors for her such as studying abroad in Spain and working in Argentina post graduation. One of the highlights of her career has been the time she spent working with middle and high school students in Maryland: first as an Achievement Liaison and later as a high school Spanish teacher. She then spent several years living in Germany, where she attended a German language institute and afterwards worked as an English teacher. Kara enjoys supporting students of all ages and encourages them to pursue their dreams. Apart from school, you’ll most likely find Kara enrolled in one or more college classes, fulfilling her goal of being a life-long learner. In her spare time, Kara enjoys reading, walking in nature with her dog, playing piano and cooking.
Kara Koehler, Enrollment Manager & Registrar
Christina is a Marin native who attended Tamalpais High School before receiving a double B.A. in Archaeology and Linguistics from University of California, San Diego. She has a passion for research with a linguistic specialization in how language is used in society. While in college, Christina gained experience in the world of academia as a teaching assistant and a research assistant. She also had the valuable experience of being able to present her research on sociolinguistics at an undergraduate conference at UC San Diego. While not engaged in academia, Christina enjoys playing games, cooking, reading, and listening to music. Above all, she loves to spend time with her two adorable nieces.
Christina Fallone, Accounts & Operations Coordinator

Jullea Ramos received her B.A. in Sociology from Sonoma State University. She has enjoyed working with children and youth in different fields including working as a substitute teacher for several years and working with children and families experiencing homelessness at a local non profit. With an administrative background and passion for working with youth, she is thrilled to be part of the Headlands Prep team. In her free time Jullea enjoys hiking around Sonoma and Marin County, gardening, cooking and going on walks with her dog.

Jullea Ramos, Systems & Communications Coordinator

“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