Faculty & Staff
John McConnell, Ph.D.
Director, Center for Health Systems Effectiveness
Dr. McConnell is a health economist whose research has focused on state health policy, behavioral health, and quality improvement. His current work includes a study of the uptake and effectiveness of Lean and related management practices in more than 600 hospitals, and an economic evaluation of Oregon’s transformation to Coordinated Care Organizations.
Christina Charlesworth, M.P.H.
Research Associate | e-mail
Christina came to CHSE in 2015 from the epidemiology track at Oregon State University. Her prior research focused primarily on prescription medication use among older adults, including examination of characteristics associated with polypharmacy, national trends in prescription drug use, and the impact of functional status on outcomes among older adults receiving antihypertensive therapy.
Konrad Dobbertin, M.P.H.
Research Associate | e-mail
Konrad works on projects in quality improvement and cost reduction as part of CHSE's internal health care analytics team. He hails from OHSU's epidemiology and biostatistics program. Prior to joining CHSE, Konrad worked at the Oregon Office on Disability and Health, investigating disparities in health care access and utilization within the disability community.
Jonah Geddes, M.P.H.
Research Specialist | e-mail
Jonah works on OHSU Healthcare-mission projects, including quality improvement and evaluation of evidence-based clinical practices. A native Oregonian, Jonah came to CHSE from the research track at the Dartmouth Institute. His interests include embedded operations research and health systems transformations through applied Lean methodology.
Rani George, M.P.H.Project Manager | e-mail
Rani supports multiple CHSE projects and is currently focusing on a project evaluating the impact of Oregon's Medicaid reform model on reducing racial and ethnic disparities. Previously, she worked at the Oregon Public Health Division on a statewide evaluation of cancer genetic testing and follow-up procedures. She has contributed to education, planning and analysis activities with public health programs at county and state health departments, community health centers and international health settings.
Lorie Geryk, Ph.D.Senior Project Manager | e-mail
Lorie joined CHSE to manage the Washington State All-Payer Claims Database, a state-agency project that supports transparency of health care information for our neighbors to the north. Lorie did her graduate work in Public Health at the University of South Carolina, where her research centered on the epidemiology of attention-deficit hyperactive disorder in youth. Prior to working with CHSE, Lorie completed a postdoctoral fellowship at the University of North Carolina's Eshelman School of Pharmacy, where her work focused on chronic disease self-management and health communication.
Yifan Gu, M.S.
Statistical Analyst | e-mail
Yifan received her master's degree in statistics from the University of Minnesota. Her current projects include evaluating the effectiveness of Oregon's coordinated care organizations at various aspects of health systems transformation. Before coming to CHSE, she explored working as a statistician in high-tech, insurance, and consulting organizations. Yifan has additional educational background in public policy and is interested in leveraging machine-learning tools to drive policy making high-quality medical care available to everybody.
Health Economist | e-mail
Hyunjee's research focuses on health care providers' behavioral responses to payment incentives in the context of the US health care systems. Her recent work explores how home health agencies responded to the Medicare prospective payment system in the 2000s. She is also interested in the health care market, health care cost and quality, long-term care, and aging.
Jonah Kushner, M.P.P.
Research Program/Policy Manager | e-mail
Jonah contributes to evaluations of Oregon’s health system transformation efforts, including evaluations of coordinated care organizations and efforts to spread Oregon’s coordinated care model. In prior positions, he has planned and executed evaluations of diverse health and human services programs and made health care data meaningful and accessible to a variety of audiences through public-facing reports.
Senior Statistician | e-mail
Bonnie is a biostatistician who has worked on a wide variety of projects from cardiovascular epidemiology research to analyzing utilization of complementary and alternative medicine under insurance coverage. Her current interests include using data to drive healthcare system change and end-of-life care.
Stephan Lindner, Ph.D.
Research Assistant Professor | e-mail
Stephan is a health and labor economist who examines how characteristics and economic conditions of health-related programs and policies influence their effectiveness. Much of his work has focused on vulnerable population groups, including people with disabilities and displaced workers. At CHSE, Stephan currently works on an evaluation of AHRQ's EvidenceNOW, a multisite effort to improve primary-care treatment of cardiovascular risk factors.
Nicoleta Lupulescu-Mann, M.S.
Research Associate | e-mail
After completing her masters degree in statistics at Portland State University, Nicoleta spent several years in clinical reporting for a neighboring health care system. She joined CHSE in 2014 and currently supports several of our OHSU collaborators with large dataset analyses.
Thomas Meath, M.P.H.
Research Associate | e-mail
Thomas provides data analysis for the Center to Improve Veteran Involvement in Care (CIVIC) at the Portland VA Medical Center as well as for several CHSE projects. He came to CHSE in 2014 from the biostatistics track at Oregon State University, where his research included identifying risk factors for child and maternal health, assessing spatial environmental exposures, and evaluating hospital quality metrics.
Stephanie Renfro, M.S.
Senior Research Associate | e-mail
Stephanie is a statistician with a background in measuring and reporting health care quality. Her current work includes evaluating the effectiveness of Oregon's Coordinated Care Organizations in improving the quality of care while simultaneously reducing the growth rate of Medicaid spending. Prior to joining CHSE, Stephanie spent four years at the Oregon Health Care Quality Corporation, where her work included the calculation of quality ratings for health plans offered through Oregon's insurance exchange, Cover Oregon.
Ruth Rowland, M.A.
Program Coordinator | e-mail
Ruth promotes linkages between CHSE's ongoing projects and with our internal and external partners and assists Dr. McConnell with center planning and administration. Before coming to CHSE, she spent seven years as administrator for OHSU's Methamphetamine Abuse Research Center. Her background is in communications and she has worked on a number of clinical and social-behavioral research studies.
Kyle Tracy, B.S.
Kyle received his BS in physics from the University of Washington. After a stint in the UW lab looking for dark matter, he ended up working as an analyst in finance. There he worked on projecting financial outcomes and building models for targeted marketing. After that, he hopped over to a large insurance carrier where his work focused on building and maintaining databases and mining medical records for use in forecasting life and disability risk. Kyle is interested in investigating inefficiencies in health care provision, how to improve care for vulnerable populations, and the use of machine learning techniques in health care.
Kim Yee, M.P.H.
Research Analyst | e-mailKim joined CHSE in July 2016 and will be working on projects related to Medicaid coverage and identifying and reducing health disparities. Prior to this, Kim was a health economics and outcomes analyst at a private consulting firm, and worked for the Oregon Health Authority's All-Payer All-Claims project.
Jenny Young, M.Sc.
Research Associate | e-mailPrior to joining CHSE in October 2015, Ms. Young worked for two economic consulting firms, where her health care-related work included analysis of hospital mergers and an assessment of the economic consequences of medical liability reform. Ms. Young has experience performing quantitative analysis of data from a broad range of sources and drawing on multiple disciplines, including economics, finance, management, and sociology, to solve complex problems. Her current work at CHSE focuses on health care performance improvement and Medicaid financing. She holds a MSc in Economics from University College London.