Faculty & Staff

John McConnell, PhD

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.

Benjamin Chan, MS

Benjamin's primary responsibility is to manage and analyze CHSE's datasets from the State of Oregon's All Payer All Claims (APAC) Reporting Program. His other responsibilities include data analysis on projects originating from the Oregon Health Authority. Benjamin also administers the CHSE data analysis server.

Christina Charlesworth, MPH

Research Associate |

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, MPH

Research Associate |

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.

Bruce Goldberg, MD

Senior Associate Director, Oregon Rural Practice Based Research Network (ORPRN)
Senior Fellow, CHSE

Bruce Goldberg, MD returned to OHSU in 2015 as senior associate director of the Oregon Rural Practice Based Research Network (ORPRN) and senior fellow of CHSE, where his wealth of delivery-systems experience helps steer our policy-related research programs.  Bruce has devoted his career to advancing the organization, financing and delivery of health care. He served two Oregon governors in a number of roles including Director of the Oregon Office for Health Policy and Research and Director of the Oregon Department of Human Services, and then led the formation of the Oregon Health Authority from February 2011 through 2013. Bruce guided Oregon's nationally recognized health reforms transforming Oregon's Medicaid system to one based on a model of coordinated care. In addition he headed efforts to establish Oregon's Healthy Kids program providing health coverage for all children, improve Oregon's mental health system and transform the delivery of public human services to enhance efficiency and effectiveness. Bruce has been a practicing clinician in Oregon and in rural New Mexico, teacher/academician, county health officer, medical director for a Medicaid managed care organization, and Director of Community Health Services for the US Public Health Services in Zuni, New Mexico. He is a graduate of the Mount Sinai School of Medicine in New York City and completed his family medicine training at Duke University.

Jonah Geddes, MPH

Research Specialist |

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.


Peter F. Graven, PhD

Health Economist | 503-494-7488 |

Peter is a health economist studying the health system transformation in Oregon and the impact of federal health reform on individuals, employers, and the states. In addition, Peter investigates health insurance theory, methodological issues, and lectures in health economics courses at OHSU.

Hyunjee Kim, PhD

Health Economist |

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.
Curriculum vitae

Jonah Kushner, MPP

Research Program/Policy Manager |

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.

Stephan Lindner, PhD

Senior Research Associate |

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, MS

Research Associate |

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, MPH

Research Associate |

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.

Aaron Mendelson, BA

Research Assistant |

Aaron works on CHSE's project evaluating the effectiveness of Coordinated Care Organizations in reducing health care costs and improving quality in Oregon. Previous to that, he worked at a local safety-net clinic addressing issues of access and coordination.

Stephanie Renfro, MS

Research Associate |

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, MA

Program Coordinator |

Ruth promotes linkages between CHSE's ongoing projects and with our internal and external partners.  Her background is in communications and she has worked on a number of clinical and social-behavioral research teams.


Jenny Young, MSc

Research Associate |

Prior 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.