IAHR is part of coalition that includes Maryland Prisoners’ Rights Coalition, National Assoc. of Women Judges, Baltimore Monthly Meeting of Friends Stony Run, National Assn Social Workers-Maryland Chapter, Jews United for Justice, Maryland Catholic Conference, Maryland State Conference NAACP, Unitarian Universalist Legislative Ministry of MD, Law Enforcement Action Partnership (LEAP), Maryland Alliance for Justice Reform (MAJR), Reproductive Justice Inside.  Additionally, IAHR participates in the Greater Baltimore Grass Roots Criminal Justice Network.

IAHR is a founding member of the Virginia Coalition on Solitary Confinement. Partners include American Civil Liberties Union of Virginia (ACLU-VA), Amnesty International of Northern Virginia, Citizens United for the Rehabilitation of Errants (CURE) – VA, Criminal Injustice Reform Network of Virginia, First Alliance Consulting LLC, Jewish Community Relations Council of Greater Washington, NAACP of Fairfax County, National Alliance on Mental Illness (NAMI) – VA, National Association of Social Workers – VA, Resource, Information, Help for the Disadvantaged (RIHD), Social Action Linking Together (SALT), Social Workers Against Solitary Confinement, Virginia Prison Justice Network, Virginia Prisons Accountability Committee, Virginia Social Action Task Force of Delta Sigma Theta Sorority, Inc.

IAHR also participates in several criminal justice coalitions in the District of Columbia. They are the DC Reentry Task Force and Rethink Justice.  These coalitions represent activists, non-profit organizations, and government agencies such as the Public Defender Service.