Our Founders

ArborMetrix's founders are physicians and clinical improvement experts whose work is considered foundational in applying evidence-based approaches to healthcare quality improvement.

John Birkmeyer 2019-1

John Birkmeyer, M.D.


Dr. Birkmeyer is an internationally recognized leader in performance measurement and improvement. An elected member of the National Academy of Medicine, his research career has focused on measuring and improving hospital outcomes, physician performance and cost-efficiency.

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Dr. Birkmeyer is currently Chief Clinical Officer at Sound Physicians, where he works closely with regional leadership and Sound’s hospital partners nationwide to ensure excellence in clinical quality, safety, patient experience, and cost-effectiveness. He leads efforts to enhance clinical integration across service lines, including emergency medicine, hospital medicine, critical care, telemedicine, and physician advisory services.

Dr. Birkmeyer previously served as the executive vice president of integrated delivery systems and led clinical operations and academic affairs for the Dartmouth-Hitchcock health system. He brings deep insight into value-based clinical care, leveraging his experience in academics, quality improvement, and operational leadership roles.

He is an author on more than 250 peer-reviewed publications on hospital outcomes and economics. He was a member of the Dartmouth Atlas of Health Care Working Group and co-author of its watershed report, “The Quality of Medicare in the United States: A Report of the Medicare Program.”

Dr. Birkmeyer is a graduate of Harvard Medical School. He completed a general surgery residency and medical informatics fellowship at Dartmouth. As a recognized leader in health outcomes, Dr. Birkmeyer is an invited speaker for numerous healthcare conferences. He also serves as an adjunct professor for The Dartmouth Institute.


Justin Dimick, M.D., M.P.H.


Dr. Dimick is the Chair of the Department of Surgery at the University of Michigan School of Medicine. He holds the George D. Zuidema professorship in the Medical School as well as a joint appointment as Professor of Health Management & Policy in the U-M School of Public Health.

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Dr. Dimick is a graduate of Cornell University and Johns Hopkins Medical School. He completed his surgical training at the University of Michigan and a health services research fellowship at the Dartmouth Institute for Health Policy & Clinical Practice.

Dr. Dimick's clinical practice is primarily devoted to advanced laparoscopy, including treatment of morbid obesity, gastroesophageal reflux (GERD), paraesophageal hernias, abdominal wall hernias, and other benign and neoplastic diseases of the stomach, spleen, and foregut. He is the editor of the widely read surgical textbook, Clinical Scenarios in Surgery: Decision Making and Operative Technique, published by Lippincott (2012).

Dr. Dimick is Director of the Center for Healthcare Outcomes & Policy at the University of Michigan, which includes 100+ faculty and staff focused on improving the quality and efficiency of acute and specialty care. With R01 funding from the Agency for Healthcare Research and Quality (AHRQ) and National Institutes of Health (NIH), his own research focuses on quality measurement, policy evaluation, and large-scale, innovative quality improvement interventions. He is also the PI on a NIH T32 grant focused on training the next generation of surgeon-scientists. He has more than 200 peer-reviewed publications, including papers in NEJM, JAMA, Health Affairs, and the leading surgical journals.

Dr. Dimick has served in several national leadership positions, including President of the Association for Academic Surgery (AAS) and a Member of the Board of Directors for the Surgical Outcomes Club (SOC). He is currently Chair of the Health Services Organization and Delivery (HSOD) Study Section at the NIH, an Associate Editor at Annals of Surgery, and the Surgical Innovation Editor at JAMA Surgery. He has served as an advisor on quality and health policy for several organizations, including the BlueCross BlueShield Association (BCBSA), the American College of Surgeons-National Surgical Quality Improvement Program (ACS-NSQIP), US News and World Reports "Best Hospital" Rankings, and the Medicare Payment Advisory Commission (MedPAC).

Douglas Staiger 2019

Douglas Staiger, Ph.D.


Douglas Staiger is the John Sloan Dickey Third Century Professor in the Department of Economics at Dartmouth. He is a member of the National Academy of Medicine, and a Research Associate at the National Bureau of Economic Research in Cambridge, Massachusetts.

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Dr. Staiger was the recipient of the Arrow Award for the best paper in health economics in 2007, and the Eugene Garfield Economic Impact of Medical and Health Research Award in 2008. He is currently an Associate Editor of the Review of Economics and Statistics. Dr. Staiger received his BA from Williams College in 1984 and his Ph.D. in economics from MIT in 1990.

Dr. Staiger’s research interests include the economics of education, economics of healthcare, and statistical methods. His work has been published in both top economics journals (including the American Economic Review, Econometrica, Journal of Political Economy, and Quarterly Journal of Economics) and top medical journals (including JAMA, and the New England Journal of Medicine). In the field of education, his current research investigates school and teacher effectiveness in elementary and secondary education, and has been funded by the Bill & Melinda Gates Foundation and the U.S. Department of Education Institute of Education Sciences. In the field of healthcare, his current research investigates the quality of care in hospitals and labor markets for nurses and physicians, and has been funded by the National Institute of Health and the Gordon and Betty Moore Foundation.

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