Dr. Timothy Dohrer is the director of the Master of Science in Education program at Northwestern University. He is the former principal of New Trier Township High School in Winnetka, Illinois. In a career spanning more than 20 years, Dohrer has taught middle school, high school and college students in rural, urban and suburban settings and served as a long-term New Trier administrator and teacher.

He first became an instructor in the Master of Science in Education program in 2004 while he was teaching English at the Northfield campus of New Trier High School. Since then, Dohrer worked in the areas of curriculum and instruction as well as research and academic services at New Trier. As New Trier principal, Dohrer led one of the largest and most successful schools in the country, supervising a staff of 450 employees and a student population of 3,100 sophomores, juniors and seniors.