David Siegel is a Professor of Law at New England Law|Boston and Director of the school's Center for Law and Social Responsibility, where he teaches Criminal Law, Criminal Procedure, Evidence, Criminal Advocacy, Mental Health Issues in the Criminal Process, Comparative Criminal Procedure, and Wrongful Convictions. Before teaching, he was a public defender in Nashville, Tennessee for six years, where his practice focused on homicide, juvenile defense, and issues related to mental health.

He has written over two dozen articles for law, medical, and bar journals on issues ranging from police interviews of hospital patients and electronic recording of custodial interrogations to ethical obligations of trial counsel and prosecutors in postconviction litigation, competence assessment by mental health professionals and involuntary medication to establish competence to stand trial. He received his undergraduate and law degrees from the University of Chicago and was a law clerk to the Hon. E. Grady Jolly, Jr., on the U.S. Court of Appeals for the Fifth Circuit in Jackson, Mississippi.

He has written over a dozen articles for law journals and medical journals on issues ranging from police interviews of hospital patients and electronic recording of custodial interrogations to ethical obligations of trial counsel and prosecutors in postconviction litigation, competence assessment by mental health professionals and involuntary medication to establish competence to stand trial. He received his undergraduate and law degrees from the University of Chicago, and was a law clerk to the Hon. E. Grady Jolly, Jr., on the U.S. Court of Appeals for the Fifth Circuit in Jackson, Mississippi.