James D. Diamond

James D. Diamond is a leading law professor and criminal lawyer. He teaches law at Yale Law School.

From 2022-2024 he was the Interim Director of The Indigenous Peoples Law and Policy Program and a Professor of Practice at the University of Arizona James E. Rogers College of Law.

Diamond is the former Director of The Tribal Justice Clinic at The University of Arizona College of Law. He was affiliated with the National Tribal Trial College, where he served as the Dean of Academic Affairs and a professor. Diamond served as special prosecutor to the Pascua Yaqui Tribe of Arizona.

Diamond has taught courses and directed legal clinics in Indigenous Law, Criminal Law and Criminal Procedure.

Diamond spent more than twenty-five years as a criminal lawyer, with experience as both a state prosecutor and criminal defense attorney, and is certified by the National Board of Trial Advocacy as a criminal trial specialist. He has considerable interest in American Indian Tribal courts and tribal law.

Diamond is a recent winner of the National Board of Trial Advocacy President's Award for his work with Indian Tribes and Tribal Courts, a winner of the 1986 American Bar Association Award for Excellence, and the 1992 Mothers Against Drunk Driving Fairfield County “Man of the Year.” Diamond has been recognized by his peers as a "SuperLawyer." In 2014, Diamond was awarded a Doctor of Juridical Science degree with an emphasis on Indigenous peoples law and policy from the University of Arizona College of Law.