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.

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.

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.