Born in Port-au-Prince, Haiti, M.J. Fievre moved to the United States in 2002. She currently writes from Miami. M.J.'s publishing career began as a teenager in Haiti. At nineteen years-old, she signed her first book contract with Hachette-Deschamps, in Haiti, for the publication of a Young Adult book titled La Statuette Maléfique. Since then, M.J. has authored nine books in French that are widely read in Europe and the French Antilles.

In 2013, One Moore Book released M.J.'s first children's book, I Am Riding, written in three languages: English, French, and Haitian Creole. In 2015, Beating Windward Press published M.J. 's memoir, A Sky the Color of Chaos, about her childhood in Haiti during the brutal regime of Jean-Bertrand Aristide. Her latest book, Badass Black Girl, was published in January 2020, and was the #1 Best Seller in Teen & Young Adult Cultural Heritage Biographies.

A long-time educator and frequent keynote speaker (Tufts University, Massachusetts; Howard University, Washington, D.C.; the University of Miami, Florida; and Michael College, Vermont; and a panelist at the Association of Writers & Writing Programs Conference, AWP), M.J. is available for book club meetings, podcast presentations, interviews and other author events. You can learn more about her and her work at her website: www.badassblackgirl.com