Sonja B. Starr teaches criminal law at the University of Michigan Law School. Her research interests include prosecutorial conduct, sentencing law and policy, remedies for violations of criminal defendants' rights, and re-entry of ex-offenders.

Her research methods include quantitative empirical assessment of the effects of criminal justice policies as well as analysis of legal theory and doctrine.

Before coming to Michigan Law, Professor Starr taught at the University of Maryland School of Law and spent two years at Harvard Law School as a Climenko Fellow and Lecturer on Law. Professor Starr has clerked for Judge Merrick Garland of the U.S. Court of Appeals for the D.C. Circuit and for Judge Mohamed Shahabuddeen of the shared Appeals Chamber of the International Criminal Tribunals for Rwanda and the former Yugoslavia in The Hague. Between these clerkships, she was an associate with Goldstein & Howe, PC, in Washington, D.C., a firm specializing in U.S. Supreme Court litigation.