Ngozi trained at The London School of Musical Theatre where she appeared in such productions as Carmen, Les Misérables and Sweeney Todd.
She made her professional debut as Dynamite/Cindy Watkins in Hairspray directed by Edward Mercieca and Kris Spiteri. Other theatre credits include Peter Pan (Aylesbury Waterside Theatre), Gary Coleman in Avenue Q (Brookside Theatre) and the lead role of Queen in The Life (English Theatre Frankfurt). She made her West End debut as Mrs Brown in The Book of Mormon.
She can next be seen as Sour Kangaroo in Seussical The Musical at Southwark Playhouse.