Dr Glover is a Māori (New Zealand indigenous) behavioural scientist with over 30 years experience in public health and over 100 scientific papers. She is well known for her compassionate insight and advocacy on tobacco harm reduction, which resulted in her being appointed as Tobacco Section Editor for the international Harm Reduction Journal in 2019. In 2017, Marewa was a Finalist in the New Zealand Women of Influence Awards and in 2019, in recognition of her contribution to society she was named one of three finalists in the New Zealander of The Year Awards. Previously Marewa was a Professor of Public Health at Massey University and Chair of End Smoking NZ. Much of her work as a Professor of Public Health has concentrated on designing pragmatic solutions to reduce smoking, particularly smoking while pregnant. She has also studied how to reduce obesity, and the barriers for Māori to breastfeeding and assisted human reproduction assistance.