Bill McCallum, one of the lead authors of Common Core-Math, has been involved in mathematics education throughout his career. In 2011, Bill began work on the Common Core aligned curriculum Illustrative Mathematics. Bill believes that teachers are key to building our students’ competencies in math. "I wanted to use the Common Core as a platform supporting – nationally – a discerning professional community of teachers who understand the coherence of mathematics and develop shared tools for implementing the standards. Improvement in mathematics education ultimately depends on teachers. If teachers have focused, coherent and rigorous standards to work from, they can portray the way mathematical ideas build over time. If teachers can show students the ways in which mathematics is used in science, engineering and finance, they can reveal to students the beauty of mathematical ideas."

During One by One 2017, Bill will bring his deep knowledge of the Common Core and a focused connection to the Illustrative Math curriculum.