In a BMJ Group Blogs post, Richard Smith, former editor of the BMJ and director of the United Health Group’s chronic disease initiative, writes “about the four phases of global health,” first described by Peter Piot, director of the London School of Hygiene and Tropical Medicine, and discussed last week at the Royal Society. He describes the different phases, saying, “Global health 3.0, which is still the main manifestation of global health, is about researchers from rich countries leading research programs in poor countries. But global health 4.0, increasingly the present and certainly the future, is research and other activities being led by researchers from low- and middle-income countries.” Smith states, “The 11 UnitedHealth/National Heart, Lung, and Blood Institute (NHLBI) centers are an example of global health 4.0,” and “are leading the way in that they are the only network of [non-communicable disease] researchers led from low- and middle-income countries.” He notes, “All the presentations from the meeting at the Royal Society and a brochure describing the work of the 11 centers can be accessed” online (10/8).