I am the CEO of Wellesley Institute; a full Professor in the Department of Psychiatry at the University of Toronto, Director of Health Equity at the Centre for Addiction and Mental Health (CAMH); and, a practicing psychiatrist. My are of expertise is the social causes of illness and the development of effective, equitable social policy and health systems. As a policy advisor, clinician, educator and academic with over 250 peer reviewed papers and 6 books, I have worked across a broad spectrum to improve population health and health services for three decades.  My work with colleagues at Wellesley Institute has influenced local and national social policy and my academic research and collaborations at CAMH, University of Toronto and Institute of Psychiatry London, have changed teaching, clinical practice and policy in psychiatry. For instance, early in the Covid-19 pandemic, my work with a broad coalition of academics, clinicians and communities drew attention to the inequitable impacts of the pandemic and the need for collection and use of socio-demographic data. This work has been credited with changing pandemic strategies in Canada and has attracted international attention. I have worked as an adviser to health ministers in the UK and Canada and to housing, education and social services ministers in Canada. I am a member of Canada’s National Advisory Council on Poverty, Co- Chair of Canada’s Expert Advisory Panel on Covid-19 and Mental Health and was Co-Chair of Canada’s Expert Task Force on Substance Use. Provincially, I sit on the Ontario Health Data Council, Co Chair the group culturally adapting Ontario's social and emotional learning school curriculum for Ontario's Ministry of Education and Co-Chair the group writing the Black Health Plan for Ontario. I have recently completed positions as a Commissioner of Human Rights, an advisor to Ontario's Basic Income Pilot Project and as a member of the Mental Health and Addictions Advisory Council to the Minister of Health Ontario. I am a previous Member of the Executive and of the Council of the Royal College of Psychiatrists, UK. In addition to my academic, policy and clinical work, I have written columns for City Limits, the Guardian and the Times-online and presented “All in the Mind” for BBC Radio 4. I currently write op-eds for the Toronto Star.