Karen Sleno received her B.S. in Mathematics Education degree from Saginaw Valley State University and her M.A. in Mathematics from Oakland University. She has taught in both parochial and public high schools, most recently at Flushing High School for the past 27 years, teaching all math subjects from Algebra I through AP Calculus AB and BC. In addition, she serves as the department chair, a role she has fulfilled for the past 23 years. She is also an adjunct instructor at Mott Community College where she has taught for the past 12 years. Her experience with AP Calculus AB and BC led her to be a participant at the AP reading for the past 16 years, first as a reader, then as a table leader and most recently as a question leader. Karen has been a consultant for the College Board for the past 6 years and also served as part of the review team for the transition of Khan Academy to be a College Board-approved AP Calculus review site. Her efforts in education and in the AP program earned her recognition as Educator of the Year for her district in 2015.