Mireille Harper is Editorial Director at Tonic, Bloomsbury, where she publishes books that help readers to think, feel and live better, and offer practical insights for readers to navigate everyday life.

In addition to her editorial role, Mireille is an accomplished and award-winning writer. Her work has appeared in British Vogue, Glamour, Good Housekeeping, PORT, GUAP, and Nataal.

Mireille is the author of Timelines of Black History, a children’s non-fiction book highlighting the legends, legacies and leaders throughout Black history, which has sold over 50,000 copies globally. Mireille has also contributed to several children's history books, including Timelines of Everyone, The Black History Book, and Migrations.

Mireille also runs an editorial and communications consultancy, specialising in non-fiction editing, manuscript reviews, book proposal writing, sensitivity reading, talent scouting, and publicity campaigns.

Mireille is a trustee of Africa Writes, and a patron of Free Books Campaign.