Larry Kessler is a former Chair of the Department of Health Services. He served as Director of the Office of Surveillance and Biometrics, Center for Devices and Radiological Health, FDA until 2008. From 1984 to 1995, he headed and developed the Applied Research Branch at NCI. In 2001, he spent a year as a visiting scientist at the Fred Hutchinson Cancer Research Center and served on the faculty of the Department of Health Services.