Rosemary has been involved with children’s books for over 40 years, through teaching; as a school librarian; a children’s literature consultant freelancing through her company, Getting Kids Into Books; and is currently working at National Library as Collection Development Specialist. She also writes teachers’ resource guides for Tim Bray Theatre Company.

Rosemary was a judge for the New Zealand Post Children’s Book Awards in 2009 and 2010. As a committee member of the Children’s Literature Association (CLA), she served on the transition committee which merged the CLA and the Children’s Book Foundation in 2000 to become Storylines. She was a member of the Storylines Foundation (now Friends of Storylines Ngā Pou o te Whare Waituhi Tamariki o Aotearoa) management committee and Storylines Festival committee from 2000 to 2018. She became a trustee of Storylines Children’s Literature Charitable Trust Te Whare Waituhi Tamariki o Aotearoa) on its formation in 2005, and serves on several sub-committees including IBBY NZ. With Dr Libby Limbrick, she co-directed IBBY NZ’s hosting of the 35th International Congress of IBBY in Auckland in August 2016.