Gregory joined The National Centre for Social Research in November 2022, and is a Research Director in the Health Policy team. Gregory joined NatCen from Bradford Teaching Hospitals NHS Foundation Trust, where he was a Senior Research Fellow on the Born in Bradford longitudinal birth cohort study. Prior to this, he worked at the University of Essex on an evaluation of A Better Start Southend. Gregory has also held positions at Glasgow Caledonian University and the University of Kent, researching urban poverty, health inequalities, and conducting macro level policy analysis. Gregory completed his doctoral degree in the Department of Social Policy and Social Work at the University of York.