Dr. Kessler is Professor in the Department of Health Services in the School of Public Health. He has over 40 years of experience in health services research. He came to the University of Washington from the U.S. Food and Drug Administration (FDA) where he served as director of the Office of Surveillance and Biometrics and later the Office of Science and Engineering Laboratories at the Center for Devices and Radiological Health. His work in cancer surveillance with the Applied Research Branch (ARB) at NCI substantially changed the way in which our nation performs cancer surveillance, with the addition of the Cancer supplements to the National Health Interview Survey, the SEER-Medicare data system, and the Breast Cancer Screening Consortium and Breast Cancer Surveillance Consortium. He has an extensive research record in applied health services research with special work in cancer, in cancer surveillance research, and regulatory knowledge of medical products. He has mentored a half-dozen junior faculty through becoming Associate and Full Professors at UW. As chair of the Department of Health Services (UW SPH) from 2009-2015, he directed the teaching program of a department that includes eight separate teaching programs at the master’s and doctoral level. Dr. Kessler is PI of the Patient Centered Outcomes Research Partnership (PCORP) funded by AHRQ to train clinicians, scientists, and health care professionals in CER and PCOR. This program has trained over 50 scholars, many of whom are now making changes in their health systems based on their capacity as health systems researchers. He also is the co-lead for the translational workforce development UW CTSA program, the Institute of Translational Health Sciences. He leads the companion CEA study for the STOP2 trial of antibiotic therapy for pulmonary exacerbations in cystic fibrosis. He serves as director of regulatory oversight for the UW Center for Dialysis Innovation, where he also leads the studies on human factors for innovative dialysis technologies. His recent research has focused on comparative and cost-effectiveness of various treatment strategies, most recently in surgery, back pain, and cystic fibrosis.