Professor Sir Michael Marmot is a Professor of Epidemiology at University College London, UK, the director of the UCL Institute of Health Equity, UK, and a past President of the World Medical Association. Being a public health expert, he has conducted many groundbreaking studies on heart diseases and strokes. His primary interest is inequalities in health and their causes, in which he has led research groups for over 40 years. Prof. Marmot also owns extensive publications on inequality issues in health, including Status Syndrome: how your place on the social gradient directly affects your health (2004), and The Health Gap: the challenge of an unequal world (2015). Recently, he published Build Back Fairer: The COVID 19 Marmot Review (2020), aiming to Examine inequalities in COVID-19 mortality, show the effects of societal response to the pandemic on social and economic equality status, and improve current policies.