sentences:  He is the founder and co-director of the School of Public Health's Center for Health Advancement, which has expertise in forecasting and modeling future health and analyzing the health and financial impact of evidence-based policies and programs in non-health sectors such as education, transportation, and natural resources.As director of one of the largest health departments in the United States, Fielding oversaw public health activities, including those for environmental health, disease control, health education, health assessment, and chronic diseases.During his more than 16-year tenure, Fielding led efforts to develop plans to deal with emergencies related to bioterrorism, pandemic flu, and other emerging diseases and conditions.