She has worked for Ebony, Cassius Magazine, and Interactive One, part of Radio One, Inc. Lemieux currently writes a parenting column for Slate, and co-hosts an accompanying podcast, Mom & Dad Are Fighting.

Her father is David Lemieux, a former member of the Black Panther Party, who appeared in the 1973 film The Spook Who Sat by the Door.

[1] After graduating from Howard University, she began her writing career through blogging and mainstream media.

[4] Lemieux's writing has appeared in publications such as Mic, Essence, The Nation, The Washington Post, The New York Times, and The Guardian.

[7] She also appears a TV commentator for networks such as CNN, MSNBC, NPR, and ABC, and she has been a guest on Comedy Central's The Nightly Show, MTV2's Uncommon Sense, Vice's Desus & Mero, as well as Revolt/Power 105.1's The Breakfast Club.