One trend in recent years sees big business stepping into roles formerly reserved for ministers of health...Harvard's [director of Global Health Initiative Christopher] Murray believes that "business has a huge role, both as an employer -- giving health care to their employees -- and as an enormous engine of innovation for health care technology and for health service delivery." He cited Coca-Cola, ChevronTexaco [Chevron], and Heineken as examples of companies creating and implementing HIV/AIDS programs for their employees and surrounding communities.