Gregory Brookins Hinton was born and raised in Chicago, Illinois. He graduated with a Bachelor of Arts Degree in Political Science from Grinnell College, a small liberal arts college located in Grinnell, Iowa. He has continued to advocate for educational equity since becoming an educator, teaching 9th grade English in 2014. Mr. Brookins Hinton has 8 years of experience working in Education in the Bay Area. He has experience directing an afterschool program for k-8th grade and, most recently, has worked with Summit Public Schools for the past 3 years as the Middle School Expeditions teacher at Summit Tamalpais. Mr. Brookins Hinton is excited to join the Summit Tamalpais Middle School team as a Dean of Culture and Instruction for School Year 2022-2023.

“Profe” Diana Bernales Lock (they/them/elle) was born and raised in Lima, Peru, and immigrated to the United States at age twelve. They have been a Bay Area resident ever since. Diana holds a BS in Adolescent Psychology from Saint Mary’s College of California and an MA in Urban Education and Social Justice from the University of San Francisco.
Diana started their journey as an educator in 2011. They have seven years of experience teaching high school Spanish and an additional four years teaching Mathematics. Their passion lies in creating liberatory spaces where everyone can be their full selves and critically examine the world to foster stronger communities. In their spare time, Diana enjoys teaching spin classes in Berkeley. Recently, they welcomed a deaf puppy named Lima, who is training to become a therapy dog at the school. Diana is excited to continue amplifying the voices of our youth as their Dean of Expeditions.

Driven by a deep passion for educational transformation and over 20 years of experience, Ms. Wilson is committed to creating and sustaining a culture of excellence, equity, high expectations, and innovation as an Executive Director. She nurtures positive and productive relationships and leads a collaborative team of educators at Summit Tamalpais. Bringing her extensive experience, innovative vision, and human-centered collective approach to the Tam community, she fosters a school culture where every student feels seen, heard, uplifted, and supported. She inspires her team to create an inclusive community that celebrates diversity and promotes equity-driven results through practices such as culturally responsive pedagogy, differentiated instruction, and restorative justice.
With a Bachelor’s degree in Foreign Language and certifications in Speech Education and English, along with a Master’s in Educational Leadership and Administration, Ms. Wilson is well-equipped to lead with expertise and empathy. Her unwavering commitment to the needs of her students, team, and community is evident through her drive for substantial change, championing a growth mindset, and advocating for transformative practices to ensure every student’s success. Ms. Wilson is not just a leader but a powerful advocate with a proven track record of advancing equitable education, inclusive practices, and exceptional academic achievement and growth.

Eric Dillie leads a team of educators and administrators committed to providing personalized, rigorous, and holistic education for all students. With over 20 years of experience in teaching and educational leadership across traditional public, private, and public charter schools, Eric’s expertise spans diverse and dynamic settings.
Eric’s core competencies include staff development, instructional design, curriculum alignment, school culture, and international programs. He has a proven track record of increasing student achievement, fostering collaborative partnerships, and creating innovative solutions for educational challenges. Eric holds a Master of Education in Educational Administration from the University of North Texas and multiple credentials and certifications in California and Texas.
In addition to his professional achievements, Eric is an active member of the Rotary Club of Livermore Valley and serves on the Board of Directors for the Rotarian Foundation of Livermore. He is also a dedicated community servant, contributing his expertise to several non-profit organizations in Eastern Alameda County.

Adelaida Dueñas began as a Dean of Culture and Instruction after teaching Spanish for 20 years, including four years at Summit Tamalpais. Deciding to leave the classroom was daunting, but she was ready to help bring more joy and enthusiasm to the school while maintaining the same high expectations she always had for her students. This invigorating transition opened her eyes to new possibilities in educational leadership.
As a Latina in education, she is acutely aware of her pivotal role in representing and supporting a diverse community. Her heritage and life experiences are the bedrock of her leadership style, creating an inclusive environment where every student feels acknowledged, listened to, and cherished. She is eager to serve with the same fervor she had for teaching, the unwavering support for parents and guardians as a parent herself, and the authenticity of a proud Latina and education enthusiast.

Eric Gross was born and raised in Bismarck, North Dakota, although he has called California home for over a decade. With a Bachelor of Arts in English and a Master of Arts in Education, Eric taught on the Expeditions team at five of the California Summit schools before planting his feet at Summit Tamalpais High School as their founding Dean of Expeditions, the position he currently holds. In this role, Eric provides postsecondary pathways for all students by connecting them to their Concrete Next Steps, a feat that he takes great passion and pride in. Eric looks forward to continuing his growth and evolution as an educator, leader, student advocate, and member of Summit Public Schools.

Ms. Fatima was born in El Salvador and immigrated to Northern California with her family at the age of 2, where she was raised. She graduated from San Diego State University with a Bachelor of Arts in International Business. She spent a year studying at the Universidad de Valparaíso in Chile, earning a U.N. certification in International Relations. She later completed her Master’s in Business Administration at the University of Phoenix.

With over 20 years of experience, Ms. Fatima has extensive knowledge of operations, project management, logistics, and event planning. Her passion for community work and connecting with people and families led her to find joy in education. As the Dean of Operations, Ms. Fatima joined the Summit Tamalpais team in 2022 and is dedicated to ensuring a safe, efficient, and welcoming environment.