Hayden Holmes is an Associate Director and leads the Digital Health Technology and Population Health evaluation team at YHEC. Hayden works on a range of projects from AI tools, medical technologies, individual pharmaceuticals to wider public health initiatives including work for the NHS, Department of Health and Social Care, and NICE. Hayden is experienced in developing economic models, research and critical appraisal. Prior to joining YHEC, Hayden lived and worked in New Zealand, working in health economics and health policy. Hayden previously worked for Pharmac, which is the government agency responsible for making decisions on which medicines, vaccines, hospital medical devices, cancer and haemophilia treatments are publicly funded in New Zealand. Hayden worked as a health economist at Pharmac and was involved in the prioritisation process for choosing which new medicines should be publicly funded.