She currently serves as the pro-vice-chancellor of the Board for Graduate Studies and Research at The University of the West Indies.

[2] She works with a number of public and private bodies as a consultant, drafted several laws in the Caribbean, including the Labour Code of Saint Lucia and the CARICOM Harmonization of Labour Law Report.

She subsequently obtained a Bachelor of Laws degree at University of West Indies, where she was the Irvine Hall valedictorian.

She then obtained a Master of Laws degree at University of Cambridge, where she was a Pegasus Scholar, and a Doctor of Philosophy degree in law at the University of Oxford.

[2] Antoine is a partner in the law firm Anthony & Antoine, a specialist human rights and administrative law firm, a position she has held since 2006.