Dean Ballard is the Director of Mathematics for CORE. He holds a master’s degree in math education from Sonoma State University (SSU) and secondary teaching credentials for both mathematics and English. Dean has 18 years of experience in the classroom teaching all levels of math from 5th grade through AP Calculus. Additionally, he has 14 years’ experience as a math consultant providing professional development for both elementary and secondary math teachers, writing curricular and exam materials, directing programs, and speaking at local and national math events (NCTM, NCSM, NABE, and others). As CORE’s Director of Mathematics for the last six years Dean has developed CORE’s math trainings, overseen CORE’s expert math team and services, and worked extensively with schools, teachers, and consultants on effective instruction and implementation of rigorous standards including implementation of the Common Core State Standards for Mathematics. Dean is a member of NCTM (National Council of Teachers of Mathematics), NCSM (National Council of Supervisors of Mathematics), CMC (California Math Council), and TODOS: Mathematics for All.