A/Prof Alexander is a pharmacist-researcher dedicated to enhancing cancer care by optimising medication use, improving treatment outcomes, and reducing toxicities. With expertise in oncology pharmacy, thoracic cancers, clinical trials, and population studies, her research focuses on biomarker-driven therapies, pharmacogenomics, longitudinal registries, and biobanking.

A/Prof Alexander leads programs integrating clinical, health services, and translational studies to advance personalised medicine for supportive care and leverage real-world data to inform cancer research. She is the lead investigator for the multisite PRECISION trial on pharmacogenomic optimisation of cancer medicines and co-leads the Australasian Thoracic Cancers Longitudinal Cohort Study and Biobank (AURORA).