Cerys completed her PhD in Biological Sciences at the University of Warwick, where she investigated the molecular mechanisms governing spindle assembly checkpoint signalling in human somatic cells under the supervision of Professors Andrew McAinsh and Jonathan Millar. She subsequently continued in the McAinsh laboratory as a postdoctoral researcher, shifting her focus to chromosome segregation in human eggs and embryos. This work was conducted in collaboration with Professor Geraldine Hartshorne and the Coventry Centre for Reproductive Medicine. Her research centres on the molecular basis of mosaic aneuploidy and its consequences for human embryo development, and has yielded key insights into chromosome segregation during human zygotic mitosis.