Roosa Tikkanen, M.P.H., M.Res., is a former senior research associate in the Commonwealth Fund's International Program in Health Policy and Practice Innovations, where she tracked health care policy developments in industrialized countries; provided research support to and coauthored the Fund’s annual international health policy surveys; provided support for the International Issue Briefs and Case Study series; authored selected Issue Briefs and an annual OECD Data Brief; coedited and coordinated the International Health Policy Newsletter; and prepared presentations for the vice president. Before joining the Fund, she was a policy analyst at the Center for Health Law and Economics at Commonwealth Medicine based at UMass Medical School in Boston, where she worked with state agencies estimating the costs and feasibility of programs aimed at improving access to services for populations with complex care needs. Prior to this, she worked for Massachusetts Representative Jeffrey Sanchez. After completing the 2015 Margaret Mahoney Fellowship, Ms. Tikkanen led a research study at the City University of New York on charity care provision and disparities in access to New York City hospitals. Following a career as a medical writer in the U.K. from 2010 until 2013, she worked at Stord/Haugesund University College in Norway as a research assistant. Ms. Tikkanen holds a B.Sc. in neuroscience and a master of research in integrative biology from the University of Manchester in England, and an M.P.H. from the Harvard T.H. Chan School of Public Health. She is currently enrolled in a four-year Ph.D. program in political science at the Norwegian University of Science and Technology.