Professor Seiler’s research focuses on public health law and policy. Her areas of expertise include the Affordable Care Act, HIV law and policy, and substance use disorder policy. She serves as PI for two major multiyear awards serving government health agencies, one addressing HIV in DC for District government, and the other analyzing implementation of the Affordable Care Act nationally for the federal government. In addition, she works on research projects covering a broad range of issues at the intersection of public health and the changing healthcare system, including public health preparedness, prevention, substance use disorder, and chronic disease. She teaches Federal Policymaking and Policy Advocacy; Public Health Law; and HIV Policy in the United States. Prior to joining GW, she served as Counsel to Rep. Henry Waxman in the U.S. House of Representatives for nearly eight years, on the staffs of the Oversight and Government Reform Committee and the Energy and Commerce Committee, including during drafting and passage of the ACA. In that role, she drafted legislation and staffed hearings and legislative markups on federal mental health and substance abuse programs, HIV prevention, health disparities, and other public health issues.