Mary Kathryn Nagle is an enrolled citizen of the Cherokee Nation. She is an attorney whose work focuses on the restoration of tribal sovereignty and the inherent right of Indian Nations to protect their women and children from domestic violence and sexual assault. From 2015 to 2019, she served as the first Executive Director of the Yale Indigenous Performing Arts Program. Nagle is an alum of the 2013 Public Theater Emerging Writers Program. She has received commissions from Arena Stage, the Rose Theater (Omaha, Nebraska), Portland Center Stage, Denver Center for the Performing Arts, Yale Repertory Theatre, Round House Theater, Oregon Shakespeare Theater, and the Kansas City Repertory Theatre. She also works in film and television. Most recently she served as an Associate Producer on the film PREY and a writer on the Netflix series ABANDONS. She is most well known for her work on ending violence against Native women. Her play Sliver of a Full Moon has been performed in law schools from Stanford to Harvard, NYU and Yale. She has worked extensively on Violence Against Women Act re-authorization, and she has filed numerous briefs in the United States Supreme Court, as a part of the National Indigenous Women’s Resource Center’s VAWA Sovereignty Initiative, including most recently, Denezpi v. United States, United States v. Cooley, Oklahoma v. Murphy, Oklahoma v. McGirt, Oklahoma v. Castro-Huerta, Brackeen v. Haaland, and United States v. Rahimi. She represents numerous families of Murdered and Missing Indigenous Women and Girls, including Kaysera Stops Pretty Places’ family who have brought a public campaign demanding an investigation into her murder. In 2025, she was inducted into the American Academy of Arts and Sciences.