Diehl, John

John J. Diehl is Chair of the Mathematics Department at Hinsdale Central High School in Hinsdale, IL. He has been a grader of AP Statistics exams and is a member of the AP Statistics Test Development Committee. He has led hundreds of workshops and state, regional, and national convention programs in all areas of secondary mathematics. In 2003, he received the Siemens Aware for Excellence in Advanced Placement Teaching. In 2004, he was elected President of the Metropolitan Mathematics Club of Chicago.