Callum is researching the purifciation of sphingomyelin from all milks via reusuable functionalised bioparticles for his PhD. Callum completed a Master of Biomedical Sciences from the University of Auckland in 2020, working with induced pluripotent stem cells to further develop organoid models of human renal development and pathology. He has experience with 2D and 3D mammalian cell culture, tissue analysis and directed differentiation. He has been with the Riddet Institute since 2020, originally working as a technical staff member in the in vitro fermentation studies and human gut microbiome support work.