John Howard is a physician , professor , and public health administrator . He served a 6-year term as the director of the National Institute for Occupational Safety and Health and was appointed to be a special coordinator to respond to the health effects of the September 11 attacks . In this role , Howard advocated for rescue workers , introducing a program to provide screening , medical exams , and treatment for them . In 2009 , Howard was again appointed as director of NIOSH and as World Trade Center Programs coordinator for HHS . In 2011 , Howard became the Administrator of the World Trade Center Health Program . In 2016 , he became the first person to be appointed to a third 6-year term as NIOSH director
September 11 attacks
September 11 attacks
John Howard (NIOSH director)