Mark Grannis joined the faculty in 2019 to teach Logic and History, after practicing law for over thirty years and managing the firm he co-founded in 1998. He holds an A.B., cum laude, from Georgetown University, where he majored in Government and Economics. He holds a J.D., cum laude, from the University of Michigan Law School, where he served as an editor of the Michigan Law Review and won several awards for his writing. In 2023, he published The Reasonable Person: Traditional Logic for Modern Life, and most recently, a Teacher’s Supplement for The Reasonable Person. He and his wife Sarah have two children, including Will (’21). They live in Chevy Chase with the majestically indifferent Cyrus, King of Purrrrsia.