Les Hems


Les brings more than 20 years experience in research design, qualitative and quantitative research methods, evaluation, problem and program analysis, and outcomes and value measurement

Les is a Director within the Climate Change and Sustainability Services team of EY (Ernst & Young). Les has held senior research positions at the Net Balance Research Institute, UNSW’s Centre for Social Impact, University College London, and Johns Hopkins University.

Les specialises in applied research to inform the development of innovative solutions to create lasting societal impact for clients and their stakeholders with a focus on strategically important issues, theories and trends which have the potential to transform government, businesses, not-for-profit organisations, co-operatives and mutuals, and social enterprises.

Les has extensive expertise in research design, qualitative and quantitative research methods, evaluation, problem and program analysis, and outcomes and value measurement. Les has developed a range of outcomes measurement frameworks and toolkits including EY’s Total value Framework and a Social Impact Measurement Toolkit.