Jonathan is an Associate Director at IFS and Head of Retirement, Savings, and Ageing. He is a Co-Principal Investigator of the English Longitudinal Study of Ageing and a Director of the Pensions Review, a review of the UK pension system and of the future of financial security in retirement. Most of his research focuses on understanding economic activity in later life, pensions, saving for retirement, and their interactions with public policies. He also leads the Deaton Review Country Studies project, a four-year project to examine labour market and income inequalities in 17 European and North American countries.