Louise Parr-Brownlie

Louise Claire Parr-Brownlie is a New Zealand neuroscientist, and is a professor at the University of Otago, specialising in neurodegenerative diseases and treatment of Parkinson's disease. She was director of the National Science Challenge Ageing Well, Kia eke kairangi ki te taikaumātuatanga from 2020 to 2023.

In 2025, she was appointed a Member of the New Zealand Order of Merit for services to neuroscience.

Background and education Parr-Brownlie was born in Auckland, and attended Long Bay College. Parr-Brownlie is Maori, and affiliates to the Ngāti Maniapoto and Te Arawa iwi. followed by a PhD in 2003.

Academic career

After her PhD, Parr-Brownlie carried out post-doctoral research at the National Institutes of Health in the United States and, in 2010, joined the faculty of the University of Otago, rising to associate professor in February 2020 and full professor in 2023.

Parr-Brownlie's research seeks to understand the causes of Parkinson's disease, in order to develop treatments. She has studied how changes in individual brain cells and groups of cells can affect movement in the body, and has explored optogenetics, the use of light, to trigger changes in brain cells to try to improve movements in Parkinsonian rats.

Parr-Brownlie joined the Ageing Well National Science Challenge as deputy director in 2018, and then became director in 2020. She was Chair of the organisation Rauika Māngai, which was a collective of leaders of the National Science Challenges and Ngā Pae o te Māramatanga, Aotearoa New Zealand’s Centre of Māori Research Excellence. She was also a member of the Brain Research New Zealand Centre of Research Excellence. She served as the deputy chairwoman of the Neurological Foundation of New Zealand science advisory committee.

In the 2025 New Year Honours, Parr-Brownlie was appointed a Member of the New Zealand Order of Merit for services to neuroscience. In 2025, the Rotary Club of Gore presented Parr-Brownlie with a $10,000 donation towards her research.

Selected works