Lee was brought up in Mataura in Southland. Lee was the first New Zealand woman to graduate with a PhD in geology. Her dissertation was titled The Cenozoic and recent rhynchonellide brachiopods of New Zealand, with an account of the Eocene and Paleocene brachiopod faunas. She joined the faculty of the university in 1988. Lee is an honoraryassociate professor at the geology department of the University of Otago, having retired in 2018. In 2024 she was awarded the title emeritusprofessor, "in recognition of her outstanding career as one of New Zealand’s most prominent, dedicated and passionate paleontologists". She is a coordinator of a research team that has focused on researching the fossil site Foulden Maar.
Foulden Maar
Lee has published both scholarly research as well as a book on the fossils of Foulden Maar. Lee was a vocal opponent of the proposedmining of Foulden Maar.