Making Rigorous Math Accessible to Every Student

Nina Dixon-Mauricia is the Senior Director of Digital Implementation at CORE, where she oversees the implementation of professional learning programs that translate research into actionable practices for educators. With over 25 years of experience, including 15 years of classroom teaching in predominantly Title I schools, she has built a reputation for guiding schools and educators toward impactful and sustainable improvements.

Before joining CORE, Nina served as a principal and vice principal in the San Diego Unified School District, where she led transformative initiatives such as overseeing a $10M federal STEAM grant and managing large-scale school modernization projects. Her leadership demonstrates a steadfast commitment to equipping educators with the tools and support they need to drive meaningful and lasting change. In addition to her work at CORE, Nina co-founded The Principals Trust, a podcast and leadership initiative amplifying the voices and experiences of women in education. All of her work centers on empowering educators to build stronger classrooms, schools, and communities.

About the Moderator

As Chief Product Officer, Kristie Shelley leads, develops, and implements the strategic vision for CORE’s digital products, leveraging over two decades of experience in the publishing and edtech sectors. Her expertise centers on seamlessly integrating cutting-edge tools and technology into product development and practical application, ensuring CORE remains at the innovation forefront. Previously, Kristie developed products for Multilingual Learners at Lexia and Lingual Learning, a company she co-founded and later sold to Rosetta Stone. She also held multiple roles at MHE before this entrepreneurial venture.

Kristie’s educational journey began as a third-grade teacher in California, providing her with invaluable firsthand experience and a profound appreciation for transformative learning. Her deep passion for empowering learners and educators motivates her to continuously push boundaries and innovate. She holds a B.A. in education from San Diego State University and a Master of Education in curriculum and instructional design from the University of Phoenix.