Dr. Fielding is a distinguished public health leader who has directed the Guide to Community Preventive Services and is Executive Editor of the Annual Review of Public Health, the most influential public health publication. In his keynote presentation, he discussed national examples of the increased application of environmental and policy strategies to increase active living and reduce disparities over the past few years. He highlighted work he has led in the LA County Department of Public Health, identified areas awaiting progress and suggested approaches for accelerating action.