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Matiangai V.S. Sirleaf

Professor of Law and Professor of Global Public Health, University of Maryland-Baltimore

About Matiangai

Sirleaf's teaching and scholarship spans several areas: international law, human rights, global public health, international criminal law, transitional justice, and criminal law. Her current research focus is on race and the histories of human rights and health inequality and the law. Sirleaf serves as executive editor at Just Security and as a member of the board of editors of the American Journal of International Law.

Contributions

In the News

Quoted by Jennifer Da Veiga Rocha & Jade Assayag in "Why Do Media Avoid Using "Genocide" for Gaza?," La Converse, December 8, 2025.
Quoted by Bryan Bowman & Greg Williams in "This Week in the World: 80 Years after UN Founding, Peace is Still Possible," The Friends Committee on National Legislation, October 24, 2025.
Opinion: "Pax Americana: How Not to Hide an Empire," Matiangai V.S. Sirleaf, Just Security, March 6, 2025.
Guest on The Just Security Podcast, October 11, 2024.
Guest on The Just Security Podcast, August 21, 2024.
Opinion: "We Charge Genocide: Redux," Matiangai V.S. Sirleaf, Just Security, July 15, 2024.
Quoted by Jen Kirby in "The Impossible Task of Truth and Reconciliation," Vox, March 24, 2022.
Opinion: "Omicron: The Variant that Vaccine Apartheid Built," Matiangai V.S. Sirleaf, Just Security, December 2, 2021.
Research discussed by Oreva Olakpe, in "The Future of Migration in the Global South: Racializing Diseases Has to Stop," Migrant Futures, openDemocracy, October 8, 2020.
Opinion: "Racing National Security: Introduction to the Just Security Symposium," Matiangai V.S. Sirleaf, Just Security, July 13, 2020.
Opinion: "Capacity-Building, International Cooperation, and COVID-19," Matiangai V.S. Sirleaf, The American Society of International Law, July 9, 2020.
Opinion: "COVID-19 Symposium: COVID-19 and the Racialization of Diseases (Part II)," Matiangai V.S. Sirleaf, Opinio Juris, July 4, 2020.
Opinion: "COVID-19 Symposium: COVID-19 and the Racialization of Diseases (Part I)," Matiangai V.S. Sirleaf, Opinio Juris, July 4, 2020.
Opinion: "Africa, COVID-19 and Responsibility," Matiangai V.S. Sirleaf, Afronomicslaw, May 12, 2020.
Opinion: "COVID-19 and Allocating Responsibility for Pandemics," Matiangai V.S. Sirleaf, JURISTnews, March 31, 2020.
Quoted by Eden Matiyas in "What Prospects for an African Court under the Malabo Protocol? ," Justice Info, May 31, 2018.
Opinion: "Emerging Voices: Making Room for the Distributive in Transitional Justice," Matiangai V.S. Sirleaf, Opinio Juris, August 27, 2013.

Publications

There Are Black People in the Past: Reclaiming Our Time in Human Rights (Cambridge University Press, forthcoming).

Centers the marginalized histories of the rights enacted and claimed by Black peoples, disrupts mainstream accounts about the development of human rights, and considers both the repressive and radical power of rights.

Racism, Law & Health Inequality (with Ruqaiijah Yearby). (Edward Elgar Publishing, forthcoming).

Provides a foundational understanding of the roots, context, and relationship between racism, law, and health inequality. Illustrates how structural racism and law either by design or effect contribute to health inequalities suffered by racialized peoples.

"Coloniality and Global Health" Journal of Global Health Law 2, no. 1 (2025).

Examines the historical and ongoing connections between colonialism and modern medical experimentation, arguing that global health practices continue to dehumanize and exploit Black, Indigenous, and other marginalized peoples.

"Reflecting on Race, Racism and Transitional Justice" (with E. Tendayi Achiume). International Journal of Transitional Justice 18, no. 1 (2024): 1–17.

Analyzes the International Journal of Transitional Justice's record of addressing race and racism and finds that the explicit discussion and engagement with race and racism has been wanting. Aims to help catalyze the remembering, exposing and reimagining of the role of race and racism in transitional justice and beyond.

"White Health and International Law" in Race, Racism, and International Law, edited by Devon Carbado, Kimberle Crenshaw, Justin Desautels-Stein, and Chantal Thomas, (Stanford University Press, 2024).

Explores the connections, legacies, and important disjunctions between tropical medicine and global public health, arguing that the primacy given to White health is one of the animating purposes behind the emergence of the global public health regime.

Race and National Security (Oxford University Press, 2023).

Serves as a catalyst for analyzing and reimagining the role of race in national security. Challenges national security orthodoxy and disrupts accepted truths.

"Racial Valuation of Diseases" U.C.L.A Law Review (2021).

Examines how racialized societies assign differing values to an individual or group based on their racial designation and the position within the social hierarchy that their racial categorization implies. 

"Responsibility for Epidemics" Texas Law Review 97, no. 2 (2018).

Argues that infectious diseases typically do not respect borders, posing transnational challenges that require cooperation and action through law. Advocates for a new vision of responsibility based on need, culpability, and capacity to help states cope with the increased incidence of epidemics and better allocate and distribute responsibility.