John Lavis is a leading authority on supporting the use of research evidence in policymaking. A professor of Health Research Methods, Evidence and Impact at McMaster University, he is renowned for his efforts to build capacity for evidence use, make it easier to find and use evidence, and spark action using evidence informed deliberative dialogues. He founded and directs the McMaster Health Forum, a globally recognized hub that works with policymakers from across Canada and supports partners to do similar work in dozens of countries internationally. He is a member or chair of many advisory and governance bodies worldwide.