Dr Derek Yach has focused his career on advancing global health. Presently, he is the Chief Health Officer and Senior Vice President of the Vitality Group. He also serves on several advisory boards, including those of the Clinton Global Initiative and the World Economic Forum. But previously, he was Senior Vice President of Global Health and Agriculture Policy at PepsiCo, a Professor of Global Health at Yale University and Executive Director for Noncommunicable Diseases and Mental Health at the World Health Organization. He walks us through his illustrious career and shares his vision for the future of global public health.