Leigh has been deeply involved in the development of integrated reporting in South Africa and internationally. She is a founder of the Integrated Reporting Committee (IRC) of South Africa and is the current CEO and the chairman of the technical Working Group.
She was involved in the development of the International <IR> Framework being a member of the Technical Task Force and Working Group of the IIRC.
Leigh co-authored with Professor Mervyn King the book Integrate: Doing Business in the 21st Century (Juta) and has hosted TV series on integrated reporting. Leigh has presented on integrated reporting and integrated thinking in South Africa and internationally. Leigh is a Chartered Accountant (South Africa).