Iris M. Carl served three organizations as president during her career: the National Council of Teachers of Mathematics, the National Council of Supervisors of Mathematics, and the Houston Council of Teachers of Mathematics. She also served as vice-chair of the Mathematical Sciences Education Board. She testified before Congress on education issues and appeared in national news media. She held a doctorate in teacher education/mathematics.
One person who nominated Carl for the MET Lifetime Achievement Award for Distinguished Service to Mathematics Education wrote, "She broadcasts our mathematics mission with pride and humility. She speaks to and with governors, legislatures, leaders, and classroom teachers. Her voice is articulate, professional, and prominent. As our champion, Iris makes mathematical literacy the priority of this decade."
Iris Carl died in January 2004.