Katie Keith, JD, MPH, provides “Following the ACA” rapid response analysis for the Health Affairs Blog. She is a principal at Keith Policy Solutions, LLC, where she advises nonprofits and foundations on health care issues and conducts original legal, policy, and qualitative analysis to support policy goals. Her work includes an emphasis on implementation of the Affordable Care Act (ACA) and its impact on underserved populations, such as the lesbian, gay, bisexual, and transgender (LGBT) community. Keith is a co-founder and steering committee member of Out2Enroll, a national initiative to connect LGBT people with coverage options under the ACA. She is also an appointed consumer representative to the National Association of Insurance Commissioners and an adjunct professor at the Georgetown University Law Center where she teaches courses on the ACA and LGBT health law and policy. Keith maintains a part-time appointment at Georgetown University’s Center on Health Insurance Reforms and serves as a scholar with the O’Neill Institute for National and Global Health Law. She is a former research professor at Georgetown University’s Center on Health Insurance Reforms where she specialized in state and federal implementation of the ACA and wrote widely on topics that include the health insurance Marketplaces, enforcement, and nondiscrimination. Keith received her law degree from the Georgetown University Law Center and holds a Master’s in Public Health from Johns Hopkins University.