He is the author of Racial Justice and the Catholic Church, which received a First-Place book award from the Catholic Press Association of the U.S. and Canada. He is a co-editor of a forthcoming volume of essays, All of Us: A New Agenda for Catholic Theology from Queer Catholics of Color (Fortress Press, 2027). He also has authored more than 200 articles, book chapters, and book reviews. These have appeared in both scholarly and pastoral journals such as Theological Studies, Concilium, New Theology Review, Journal of the Society of Christian Ethics, Philosophy and Theology, American Catholic Studies, Journal of Religion and Society, U.S. Catholic Historian, America Magazine, Commonweal, Origins, U.S. Catholic, The National Catholic Reporter, Signs of the Times in the Americas, and Catholic Peace Voice. As a public intellectual, he frequently addresses issues of racial and sexual justice in global venues such as National Public Radio (NPR), ABC News, the PBS NewsHour, MSNBC (now MSNOW), the Huff Post, the British Broadcasting Company (BBC), The New York Times, USA Today, the Times of South Africa, Canadian Public Radio, Australian Public Radio, Reuters, and the Associated Press. His current research projects explore the contribution of the Black radical imagination to Catholic theology; the challenge of white Christian nationalism; and the intersections of race, sexuality, and faith in both social life and Catholicism. Recent publications include: “Speaking the Truth: The Black Catholic Intellectual Vocation” in The Black Catholic Studies Reader (2021); “Toward a Culture of Encounter: A Faith-Response to Homophobia,” (published in Portuguese, 2021); “Toward a Spirituality for Racial Justice: The Transformation of Consciousness and the ‘Souls of White Folks’,” in Desire, Darkness and Hope (2021); “A Year after the Murder of George Floyd, What Has Changed?” America Magazine (May 25, 2021); “The Chauvin Verdict: Relief, Vindication but Not Celebration.” National Catholic Reporter (April 22, 2021); “The Racist Attack on the Capitol,” America Magazine (January 6, 2021); “The Assumptions of White Privilege and What We Can Do about It,” National Catholic Reporter (June 1, 2020); “The Only Thing That Matters: America’s Commitment to White Privilege,” The Tablet (6 June 2000); “White Supremacy, the Election of Donald Trump and the Challenge to Theology,” in Concilium (2017); “The Erotics of Racism: Police Sexual Violation of Black Bodies,” in Antiblackness in Christian Ethics (2018); “Has the Silence Been Broken? Catholic Theological Ethics and Racial Justice,” Theological Studies (March 2014); “Malcolm X and the Limits of ‘Authentically Black and Truly Catholic:’ A Research Project in Black Radicalism and Black Catholic Faith,” Journal of the Black Catholic Theological Symposium 5 (2011); “A Parallel That Limps: The Rhetoric of Slavery in the Pro-Life Discourse of U.S. Bishops,” in Voting and Holiness: Catholic Perspectives on Political Participation (Paulist Press, 2012); “The Systemic Erasure of the Black/Dark-Skinned Body in Catholic Ethics,” in Catholic Theological Ethics Past, Present, and Future: The Trento Conference (Orbis Books, 2011); “Vox Victimarum Vox Dei: Malcolm X as Neglected ‘Classic’ for Catholic Theological Reflection,” CTSA Proceedings 65 (2010); “Cyprian Davis and the Black Catholic Intellectual Vocation,” U.S Catholic Historian 28 (Winter 2010); Poverty and Racism: Overlapping Threats to the Common Good (Washington, DC: Catholic Charities USA, 2008); and “The Scandal of Poverty: ‘Cultural Indifference’ and the Option for the Poor Post-Katrina,” Journal of Religion and Society Supplement Series 4 (2008). In addition to his academic pursuits, Professor Massingale strives to be a scholar-activist through serving civic and faith-based groups advancing justice in society. He is a Senior Democracy Fellow at the Public Religion Research Institute (Washington, DC). He served as a consultant for the U.S. State Department’s Strategic Religious Engagement Unit, providing expertise on international LGBTI advocacy. He is a noted authority on issues of social and racial justice, addressing numerous national Catholic conferences and lecturing at colleges and universities nationally and internationally. He has served as a consultant to the United States Catholic Conference of Bishops, providing theological assistance on issues such as criminal justice, capital punishment, environmental justice, and affirmative action. He has also been a consultant to the National Black Catholic Congress, Catholic Charities USA, the Catholic Health Association, Catholic Relief Services, the Leadership Conference of Religious Women, the Conference of Major Superiors of Men, the National Catholic AIDS Network, Dignity USA, New Ways Ministry, and the antiracism teams of Call to Action and Pax Christi USA. He is a leading voice among Catholic thought leaders striving for the full equality of LGBTQ persons in society and the faith community. His contributions to social justice advocacy and scholarship have been recognized on numerous occasions. Dr. Massingale is the recipient of four honorary doctorates. He also received Marquette University’s highest award for teaching excellence (2009). In 2026, he received the highest award for Catholic scholarship, the John Courtney Murray Award from the Catholic Theological Society of America “for outstanding and distinguished achievement in Theology.” In 2025, he received the “Blessed Are the Peacemakers” Award from Catholic Theological Union for his pioneering advocacy for racial and sexual justice. In 2023, he was honored with the prestigious Ketteler Award for Social Justice. In 2022, he received Barry University’s Yves Congar Award for Theological Excellence. He was also honored with the Faith Doing Justice Award from the Ignatian Solidarity Network “for committed leadership for social justice grounded in faith”; and Dignity USA’s Risk Taker/Justice Maker Award for “advocating for justice for LGBTQI Catholics at great personal risk.” In 2021, he received Pax Christi USA’s highest honor, the Teacher of Peace Award. He also received the prestigious Isaac Hecker Award for Social Justice for his pioneering work for racial and sexual justice. In 2020, he received Future Church’s Louis Trivison Award “in recognition of his prophetic work with and for Black and LGBTQ Catholics;” in 2017 the Association of U.S. Catholic Priests’ Pope John XXIII Award, “for his tireless efforts to create a world where the dignity of each person is respected and protected”; and Catholic Charities USA’s “Centennial Gold Medal” for leadership and service in the social mission of the Catholic Church. He was awarded the “Eliminating Racism” Award from the YWCA in 2014. He is the recipient of Project Equality’s “Religious Momentum” Award for his efforts in promoting diversity in the Catholic Church. He has been honored by both Fairfield University and Cardinal Stritch University for his advocacy for social justice and his work for inclusion of the socially marginalized. He was awarded the “Rev. Al McKnight Award” in 2011 by the National Joint Conference of Black Catholic Clergy, Sisters, Deacons and Seminarians for outstanding witness on behalf of justice for the marginalized. He was honored with the “Harry Fagin Award” in 2009 by the National Association of Diocesan Social Action Directors for his contributions to the study and knowledge of Catholic Social Teaching. He has been recognized by the Catholic Press Association with numerous awards for opinion columns examining contemporary issues from a faith perspective. Further recognitions include the “Young Alumnus of the Year” from Marquette University, and the “Annecy Award” from St. Francis Seminary (Milwaukee) for his contributions to the local church.