By Bill McCallum, IM Cofounder Every parent knows what it feels like to bring a being into existence with the hope they will one day stand on their own. It is one of the greatest joys to watch them grow, change, and...

Since 2011, Illustrative Mathematics (IM)—which has reached over three million students and educators—has been guided by the vision, expertise, and heart of our CEO and cofounder, Bill McCallum. Today, we are announcing a...