Alan Mackay-Sim

Alan Mackay-Sim
Mackay-Sim in 2017
Born(1951-05-16)16 May 1951
Died4 January 2023(2023-01-04) (aged 71)
NationalityAustralian
Alma materMacquarie University
AwardsAustralian of the Year (2017)
Scientific career
FieldsBiomedical science
InstitutionsGriffith University
Thesis Odorous communication by stressed rats  (1978)

Alan Mackay-Sim AM (16 May 1951 – 4 January 2023) was an Australian biomedical scientist specialising in adult stem cell research, and winner of the 2017 Australian of the Year. Some of his research focused on olfactory ensheathing cells, which are cells in the human nose that interact with the nervous system to cause a sense of smell.

His research into stem cells contributed to the treatment of spinal cord injuries. The restoration of mobility to Darek Fidyka, a Polish paraplegic man, used research by Mackay-Sim.