'Many Hearts'; born August 17, 1953) is an American tribal leader and former nurse who is the lifetime chief of the Mohegan Tribe.

[3] After growing up in Uncasville, Connecticut,[4] Malerba studied nursing at Hartford Hospital College of Nursing, and then earned a Bachelor of Science from St. Joseph's College (now known as the University of Saint Joseph) in West Hartford, in 1983.

[8] Within the Mohegan Tribe, she has been the chair of the tribal council, and worked as executive director of the health and human services department.

[2] On June 21, 2022, President Joe Biden announced his intent to appoint Malerba to serve as Treasurer of the United States; she was sworn in on September 12, 2022, and is the first Native American to hold this position.

[11] Before her swearing-in, the office of treasurer had been vacant for more than two and a half years, the longest vacancy in the history of the United States Treasury.