Board of Directors
Julie LePrince
Board President
Julie LePrince serves as the Board President of Excelsior Charter Schools – Corona Norco (ECSCN). She has been a member of the ECSCN Board of Directors since 2023, first serving as a Parent Board Member and currently serves as the Board President. Julie is a proud parent of an Excelsior graduate, which gives her a meaningful, personal connection to the school community. Her experience as a parent and board leader reflects a strong commitment to student success, family engagement, and the continued growth and governance of Excelsior Charter Schools.
Navid McCarthy
Secretary/Treasurer
Navid joined Excelsior Charter Schools in 2001 as a Math teacher and during her career at Excelsior held the positions of lead mentor, Curriculum Coordinator, Assistant Superintendent of Human Resources and Deputy Superintendent. She retired from Excelsior in 2017.
Navid holds a Bachelor of Science Degree in Industrial Engineering from University of Iowa, a Masters Degree in Curriculum and Instruction and a Masters Degree in Educational Leadership. She also holds a California clear teaching credential in math and a supplementary credential in physical science in addition to a clear leadership credential.
Dave Schlesinger
Board Member
Dave is a War On Terrorism medal recipient, a certified project manager and a nationally recognized training, management, transportation, engineering and safety expert. He has almost thirty years of progressive experience at the local and federal public sector levels as well as in private industry. Dave invests in the next generation as a guest lecturer for Cal Poly Pomona and the Mineta Transportation Institute at San Jose State. He co-conducts, with staff from the US Department of Transportation, highly interactive and empirical lectures on human factors and engineering. Dave has a long history of volunteer involvement and leadership, including as a manager, trainer and crisis responder for the Mayor’s Office, City of Los Angeles; holding rail safety presentations for Operation Lifesaver; and helping guide the developing the Strategic Plan for the Alvord School District.
Sara Ontiveros
Board Member
Sara Ontiveros is a dedicated educator, school counselor, and student advocate with over 20 years of experience in education. Her professional background spans general and special education, school counseling, student mental health, and educational leadership. In addition to her work in K–12 education, she serves in higher education teaching graduate students and mentoring future educators as they prepare to enter the profession. These experiences provide her with a broad perspective on the needs of students, families, educators, and school communities across the educational continuum.
Mrs. Ontiveros holds a Master of Arts in Curriculum and Instruction and multiple California credentials in teaching, special education, and school counseling. Throughout her career, she has been committed to supporting the whole child, removing barriers to student success, and creating inclusive educational environments where all students have access to meaningful opportunities.
As a school board member, Mrs. Ontiveros brings an educator’s perspective to governance and is committed to thoughtful decision-making, responsible stewardship, and collaboration with students, families, educators, and community partners. She believes strong schools are built through relationships, high expectations, and a shared commitment to ensuring every student feels supported, valued, and prepared for their future.
Terrance Stone
Board member
Terrance L. Stone is Founder/President/ CEO of Young Visionaries Youth Leadership Academy and C.E.O. of Stone Consultants, International Gang Expert, Trainer and Speaker has served as a youth counselor and graduated Cal State LA for State Certified Gang Intervention Specialist, serves on Committees with the San Bernardino County Sherrif and San Bernardino City Chief of Police, Executive Board Member and Chair of the San Bernardino Countywide Gangs and Drugs Task Force, Past Board Member of the Southern California African American Chamber of Commerce, and San Bernardino Chapter NAACP, trained with San Bernardino City Police Department on the train the trainer course “Principled Policing” and also chosen by past Mayor of San Bernardino Pat Morris to join his office on the California Cities Gang Prevention Network. He is committed to steering young people away from the life that cost him much of his precious youth. In essence, Terrance is allowing his life mistakes to help others discover their personal worth and true-life purpose. Stone’s change in heart, spirit and action has resulted in his reaching over 35,000 at risk youth he is now CEO of Young Visionaries Youth Leadership Academy multiple locations in the Inland Empire and growing. Stone’s sincere efforts have result¬ed in his receiving multiple awards.