About Us

meet our leaders


Leadership Team

Click name to see full bio.

Wanny Hersey – Founding Superintendent

Mrs. Hersey is a dynamic leader with a proven track record of cultivating excellent teachers and establishing innovative programs for students. An educator for over 30 years, Hersey started in the classroom as a teacher in Vancouver, Canada. Her award-winning career in education includes teaching and administrative experience spanning elementary, middle and high school.  Under her leadership, BCS has achieved national recognition for excellence in education. The school has been named an exemplary Visual and Performing Arts school, earned the distinction of being a California Distinguished School (two times) and was recognized as a National Blue Ribbon School in 2014-15. Since its inception, BCS has been ranked in the top 1% of all public schools in the state; in 2015, BCS was named the top scoring K-8 public school in California. In 2016, BCS was honored to be designated an Exemplar School by the Partnership for 21st Century Learning and in 2018, the first school in the US to be inducted into the P21 Global Schools Network.

Brian Köhn –  Interim Superintendent

Mr. Köhn started his teaching career as an arts educator in San Diego at the Coronado Unified School District (CUSD) and SouthWestern College.  During his tenure at CUSD, Brian co-founded Coronado School for the Arts, which the California Department of Education recognizes as a model school for arts education.  After CUSD, Brian joined the San Dieguito Union High School District, where he was a founder and long-term principal of Canyon Crest Academy.  Within three years of its opening, Canyon Crest Academy led all of San Diego County in academic achievement, and it has been recognized as one of the best high schools in the state of California by US News & World Report.  After Canyon Crest Academy, Brian returned to Northern California, where he first served as the Principal at San Francisco School for the Arts and then as the Executive Director – Superintendent at the Oakland School for the Arts.

Cynthia Brictson – Principal/Director of Instructional Services

Ms. Brictson’s wealth of experience spans many aspects of public education including staff development, technology integration, STEAM implementation, and implementing data-driven approaches to student learning. Prior to joining BCS, she served as the Deputy Superintendent of Curriculum and Instruction and Regional Superintendent for DeKalb County Schools where she supported the STEM certification of nine public schools. Cynthia is an Apple Innovative Educator, is on the Board of Advisors for the STEM World School in India, and is also a member of the Chief Academic Advisory Council for the Center for Digital Education. Ms. Brictson is deeply passionate about Project-Based Learning and is excited to work alongside students as they solve real world problems and gain the tools they need to be successful in this ever-changing world.

Melissa Christie – Assistant Principal

Mrs. Christie has spent the last 28 years in education serving students and their families as a Mathematics Teacher, Mathematics Coach, Mathematics Coordinator, and Director of Curriculum and Instruction. As a proud mother of four children who have each taken very distinct paths in their own learning and careers, she values options in education and believes each child has a unique gift to bring to the classroom and beyond. Mrs. Christie earned her Bachelor’s Degree in Secondary Mathematics from the University of Hawaii and taught mathematics for 12 years in Hawaii before returning to California. Upon her return, she served as an instructional coach and specialist for the GEAR UP program where she helped students access rigorous middle and high school programs. She earned her Master’s Degree in Educational Leadership from San Jose State and joined the Santa Clara County Office of Education where she collaborated with her team to design and deliver professional development services in S.T.E.A.M., Multilingual Education, and Learning Multimedia services.

Dr. Billy Martin – Assistant Principal

Dr. Martin has been an educator for more than a decade. He graduated from San Francisco State University where he earned a Doctorate of Education in Educational Leadership with a focus on equity and social justice. Dr. Martin’s research interests have focused on the practices and beliefs of teachers at STEM elementary schools. In addition to teaching various grade levels, Dr. Martin has held a variety of leadership positions that have involved grade level team building, curriculum design, professional development, technology initiatives, and assessment. Additionally, he has served as an adjunct professor in San Francisco State University’s Elementary Education Department where he taught graduate courses on teacher research. Dr. Martin is a dedicated professional and fair instructional leader with a passion for providing meaningful teaching and learning experiences for the whole school community.