Margaret C. Hannon, '05, is a clinical professor of law in the Legal Practice Program at the University of Michigan; she joined the Law School faculty in 2013.

Hannon previously taught legal research, writing, and reasoning as a clinical assistant and clinical associate professor at Northwestern Law School, where she also served as the assistant director and interim director of the legal research and writing program. In recognition of her teaching, Hannon received Northwestern's Dean's Teaching Award and Dean's Teaching Award Honorable Mention.

She practiced law at Bell, Boyd & Lloyd LLP (now K&L Gates LLP). Her practice focused on labor and employment counseling and litigation, and the negotiation and administration of collective bargaining agreements.

She is an active member of the Legal Writing Institute; in addition to presenting at its academic conferences and participating in its committee work, she previously served as the editor-in-chief and managing editor of one of its journals, The Monograph Series. In addition, Hannon is a co-editor-in-chief for Legal Communication & Rhetoric: JALWD, the journal of the Association of Legal Writing Directors. Hannon is the co-author of Aspen Publishers' From Theory to Practice: Employment Discrimination Law (with Rachel Croskery-Roberts) and has written for the American Bar Association’s Before the Bar Blog and the Appellate Advocacy Blog.