Doug O’Roark became the Math Circles of Chicago’s first Executive Director in 2015. He also works at DePaul’s STEM Center which seeks to improve mathematics teaching in all Chicago Public Schools. In 2009 Doug founded the Secondary Mathematics and Biology component of the University of Chicago’s Urban Teacher Education Program. In 2000 he helped open Payton College Prep, where he served as both chair of the mathematics department. He earned a bachelor’s degree in electrical engineering from the Massachusetts Institute of Technology in 1989, and went on to get a masters in mathematics education at the University of Chicago in 1992. Awards he have received include the the Radio Shack National Teacher Award, the MAA’s Edith May Sliffe Award for Distinguished High School Mathematics Teaching, the ICTM T.E. Rine Secondary Mathematics Teaching Award. Both the City of Chicago Math League and Walter Payton College Prep have awards named in his honor. He lives in Chicago’s Andersonville neighborhood with his wife, a mental health researcher at UIC, and two children, who attend Chicago Public Schools.