The “global” in global health refers to the scope of the world’s health problems, not just their location. These problems vary widely and include issues such as epidemic infectious diseases, HIV/AIDs, nutrition, chronic disease and lack of technology and healthcare professionals, among many other issues.

Lord Nigel Crisp, Member, House of Lords UK, is an independent crossbench member of the House of Lords and works mainly on international development and global health. From 2000 to 2006, he was both chief executive of the NHS, the largest health organization in the world, and permanent secretary of the UK Department of Health and led major reforms in the English health system.

Watch Triple Aim, Triple Gain – The Three Most Promising Areas for Innovation in Health Globally as he outlines his thoughts on how to improve global health.