Celia has been researching ketamine for 25 years and is interested simultaneously in the potential therapeutic possibilities of ketamine alongside the potential for problematic use. Her PhD at University College London looked at the cognitive and neurological effects of ketamine in non-medical users as well as in acute studies. She has more recently been working at University of Exeter, where she has with other colleagues, set up an interdisciplinary masters in psychedelics and has been running large clinical trials of ketamine assisted therapy as well as looking at emerging trends in problematic non-medical ketamine use. She lives in Cornwall in the UK with her two children; dog and chickens