CEVR Team

Directors

Peter Neumann, ScD

Peter Neumann, ScD

Director

Peter Neumann, ScD

Director

pneumann@tuftsmedicalcenter.org
Peter J. Neumann, Sc.D., is Director of the Center for the Evaluation of Value and Risk in Health at the Institute for Clinical Research and Health Policy Studies at Tufts Medical Center, and Professor of Medicine at Tufts University School of Medicine. His research focuses on the use of comparative effectiveness research and cost-effectiveness analysis in health care decision making. He is the founder and director of the Cost-Effectiveness Registry, a comprehensive database of cost-effectiveness analyses in health care.

Dr. Neumann has written widely on the role of clinical and economic evidence in pharmaceutical decision making and on regulatory and reimbursement issues in health care. He is the author or co-author of over 250 papers in the medical literature, the author of Using Cost-Effectiveness Analysis to Improve Health Care (Oxford University Press, 2005) and co-editor of Cost-Effectiveness in Health and Medicine, 2nd Edition (Oxford University Press, 2017).

He is a member of the editorial advisory boards of Health Affairs and Value in Health and serves or has served on many advisory boards, including advisory boards for the Congressional Budget Office and the Robert Wood Johnson Foundation. 

He received his ScD in Health Policy and Management from Harvard University.

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Joshua Cohen, PhD

Joshua Cohen, PhD

Deputy Director

Joshua Cohen, PhD

Deputy Director

jcohen@tuftsmedicalcenter.org
Joshua Cohen, PhD, is the Deputy Director and Chief Science Officer of the Center for the Evaluation of Value and Risk in Health at the Tufts Medical Center Institute for Clinical Research and Health Policy Studies, and a Research Associate Professor of Medicine at Tufts School of Medicine.  Dr. Cohen’s work focuses on the advent of “drug value frameworks”, with a special focus on the Institute for Clinical and Economic Review (ICER) framework, promotion of "open source" practices for health economic simulation models, and the potential benefits of risk-targeted disease screening.

Dr. Cohen received both his PhD in Decision Sciences and his BA in Applied Mathematics from Harvard University.

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Faculty

Daniel Ollendorf, PhD

Daniel Ollendorf, PhD

Assistant Professor, Director of Value Measurement & Global Health Initiatives

Daniel Ollendorf, PhD

Assistant Professor, Director of Value Measurement & Global Health Initiatives

Dan Ollendorf is Director of Value Measurement and Global Health Initiatives at CEVR and Assistant Professor of Medicine at Tufts University School of Medicine. Dr. Ollendorf’s research interests include expanding the use of health technology assessment (HTA) and economic evaluation in low- and middle-income countries, as well as refinement and use of value assessment tools in the US and other high-income settings. Prior to joining CEVR, Dan was Chief Scientific Officer for the Institute for Clinical and Economic Review (ICER) for over 10 years, where he oversaw the broader HTA process and managed relationships with multiple stakeholders and research collaborators. 

Dr. Ollendorf is non-resident Fellow in Global Health at the Center for Global Development, and currently serves as the Chair of the Health Technology Assessment International (HTAi) Global Policy Forum. 

He received his PhD in Clinical Epidemiology from the University of Amsterdam, and an MPH in Health Policy & Management/Epidemiology from Boston University. 

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David Kim, PhD

David Kim, PhD

Assistant Professor

David Kim, PhD

Assistant Professor

dkim3@tuftsmedicalcenter.org
David is an investigator at CEVR, and an Assistant Professor of Medicine at Tufts University School of Medicine. His research focuses on using clinical and economic evidence in health policy, evaluating the economic value of health/nutrition policy and medical technology, and improving research prioritization using a value of information approach. He received his doctorate in Health Services (Health Economics) from University of Washington

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James Chambers, PhD, MPharm

James Chambers, PhD, MPharm

Associate Professor

James Chambers, PhD, MPharm

Associate Professor

jchambers@tuftsmedicalcenter.org
James is an investigator at CEVR, and an Associate Professor of Medicine at Tufts University School of Medicine. His research is focused on examining the factors that influence payer coverage of medical technology and quantifying pharmaceutical innovation. He graduated from Queens University in Belfast with an MPharm degree and previously worked as a pharmacist in the UK and Ireland. James also obtained an MSc from the University of York and PhD from Brunel University, both in Health Economics.

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Natalia Olchanski, PhD, MS

Natalia Olchanski, PhD, MS

Research Assistant Professor

Natalia Olchanski, PhD, MS

Research Assistant Professor

nolchanski@tuftsmedicalcenter.org

Natalia is an investigator at CEVR, and a Research Assistant Professor of Medicine at Tufts University School of Medicine. Her research includes decision modeling and analysis of clinical and economic outcomes, understanding the role of risk and treatment effect heterogeneity analysis in population level decision making, and identifying opportunities for improvement of health system efficiency. She holds a PhD in Clinical and Translational Science from Tufts University, a MS in Operations Research from Columbia University, and an SB from MIT.


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Pei-Jung Lin, PhD

Pei-Jung Lin, PhD

Associate Professor

Pei-Jung Lin, PhD

Associate Professor

plin@tuftsmedicalcenter.org
Paige is an investigator at CEVR, and an Associate Professor of Medicine at Tufts University School of Medicine. Her research focuses on health and economic outcomes of individuals with chronic conditions such as Alzheimer’s disease, cancer and diabetes. Paige received her PhD in Health Policy and Management from the University of North Carolina at Chapel Hill and her Masters in Health Policy and Management from the Harvard School of Public Health.

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Tara Lavelle, PhD

Tara Lavelle, PhD

Assistant Professor

Tara Lavelle, PhD

Assistant Professor

tlavelle@tuftsmedicalcenter.org
Tara Lavelle is an assistant professor at the Center for the Evaluation of Value and Risk in Health. Her research measures family-centered outcomes and preferences for health care to inform value assessments and other health care policies. She received her PhD in Health Policy with a concentration in Decision Science from Harvard University in 2012 and was previously a postdoctoral research fellow in the Child Health Evaluation and Research Unit in the Division of General Pediatrics at the University of Michigan.

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Staff

Allan Daly, MS

Allan Daly, MS

Data Scientist/Biostatistician

Allan Daly, MS

Data Scientist/Biostatistician

adaly1@tuftsmedicalcenter.org

Allan is a data scientist at CEVR where he assists in data management and statistical analyses for health outcomes and health economics research. Allan received his MS in Healthcare Research from The Dartmouth Institute for Health Policy and Clinical Practices in 2019 and graduated from Augustana College with a BA in Mathematics and Classics in 2018

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Anna Legassie, BA

Anna Legassie, BA

Senior Manager, Strategy and Development

Anna Legassie, BA

Senior Manager, Strategy and Development

alegassie@tuftsmedicalcenter.org
Anna works to create CEVR’s growth strategy, orchestrate activation of critical priorities, accelerate strategic growth initiatives, and build future-focused organizational capabilities. Previously Anna worked in management consulting and has leveraged her professional experience to serve as an adviser to health startups, pharmaceutical companies and other health organizations. She received her BA in Hospitality Administration from the University of Massachusetts, Amherst.

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Ari Panzer, BS

Ari Panzer, BS

Research Associate

Ari Panzer, BS

Research Associate

apanzer@tuftsmedicalcenter.org
Ari manages and maintains the Specialty Drug Evidence and Coverage database, and is also involved in CEVR’s global health initiative. His research focuses on the variation in commercial payer coverage of specialty drugs and the evidence payers report reviewing in their coverage decisions. Ari graduated from Tufts University in 2017 with a BS in Community Health and Psychology.

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Dan Enright, BA

Dan Enright, BA

Research Assistant

Dan Enright, BA

Research Assistant

denright1@tuftsmedicalcenter.org

Dan maintains the Specialty Drug Evidence and Coverage (SPEC) database. His research focuses on factors that influence US health plan specialty drug coverage. Dan graduated from the University of Vermont in 2018 with a BA in Economics, and is currently pursuing a MS in Pharmaceutical Outcomes and Policy at the University of Florida.

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Dominic Voehler, MPH

Dominic Voehler, MPH

Research Assistant

Dominic Voehler, MPH

Research Assistant

dvoehler@tuftsmedicalcenter.org

Dominic's research supports CEVR's global health initiatives. He received an MPH in Epidemiology and Biostatistics from Tufts University School of Medicine and a BS in Biology from Rhodes College.

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Julie Crowe, MS

Julie Crowe, MS

Senior Program Manager

Julie Crowe, MS

Senior Program Manager

jcrowe@tuftsmedicalcenter.org

Julie is CEVR’s program manager and chief of staff. Her role involves managerial and administrative oversight for the Center's varied projects, grants and contracts, staffing, outreach, and fundraising initiatives. She received a BS in Biology from Simmons College, and a MS in Management and Research Administration from Emmanuel College.

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Kristen Blanchard, BS

Kristen Blanchard, BS

Administrative Assistant

Kristen Blanchard, BS

Administrative Assistant

kblanchard@tuftsmedicalcenter.org

Kristen is the administrative assistant for the Center for the Evaluation of Value and Risk in Health. Her role consists of logistical support for multiple meetings, seminars, conferences and staff travel. Kristen received her BS at Anna Maria College and has four years of professional experience in the Healthcare industry.

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Lauren Do, BS

Lauren Do, BS

Research Assistant

Lauren Do, BS

Research Assistant

ldo1@tuftsmedicalcenter.org

Lauren’s research is focused on using clinical and economic evidence to evaluate the prevalence of low-value healthcare services. Lauren graduated from Tufts University in 2019 with a BS in Quantitative Economics and Philosophy.

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Nola Jenkins, BA

Nola Jenkins, BA

Research Assistant

Nola Jenkins, BA

Research Assistant

njenkins3@tuftsmedicalcenter.org

Nola's research focuses on the commercial coverage of biosimilars and evidence relating to payer coverage of particular specialty drugs. Nola graduated from Tufts University in 2020 with a BA in Community Health and International Relations.

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Patty Synnott, MS, MALD

Patty Synnott, MS, MALD

Senior Manager, CEA Registry & Global Health Initiatives

Patty Synnott, MS, MALD

Senior Manager, CEA Registry & Global Health Initiatives

psynnott@tuftsmedicalcenter.org

Patty works with the research team to manage, update, and maintain both the Cost-Effectiveness Analysis Registry and the Global Health Cost-Effectiveness Analysis Registry. She also contributes to global health research at CEVR, with a particular focus on economic evaluation in low- and middle-income countries. Prior to joining CEVR, Patty served as Director of Evidence Review at the Institute for Clinical and Economic Review (ICER). Patty received her MS in Applied Food and Nutrition Policy from Tufts University, MA in International Development and Humanitarian Affairs from the Fletcher School of Law and Diplomacy (at Tufts University), and BA in the Humanities from Providence College. 

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Sam Weidner, BS

Sam Weidner, BS

Research Assistant

Sam Weidner, BS

Research Assistant

sweidner@tuftsmedicalcenter.org

Sam's research focuses on assessing the value of population lifestyle interventions for Type II Diabetes as well as assessing patient preferences for mental health interventions. Sam graduated from Tufts University in 2020 with a B.S. in Mathematics."

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Sean R. Tunis, MD, MSc

Sean R. Tunis, MD, MSc

Senior Fellow

Sean R. Tunis, MD, MSc

Senior Fellow

sean.tunis@rubix-health.com

Sean Tunis, MD, MSc. is a Principal with Rubix Health where he consults with public and private sector organizations on health technology issues at the interface of regulatory and reimbursement policy, market access, comparative effectiveness, outcomes measurement and health technology assessment.

He is also Senior Fellow in the Tufts Center for the Evaluation of Value and Risk in Health and serves as a Mentor-in-Residence at Johns Hopkins Tech Ventures, helping early-stage companies align their clinical development programs with payer and regulatory requirements.

In 2020 and 2021, Dr. Tunis served as a Senior Advisor in the Office of the Principal Deputy Commissioner at the Food and Drug Administration, where he worked on the use of real-world data to inform regulatory and reimbursement decisions for medical devices and diagnostics.  

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Yolanda (Yingying) Zhu, PhD

Yolanda (Yingying) Zhu, PhD

Post-Doctoral Research Fellow

Yolanda (Yingying) Zhu, PhD

Post-Doctoral Research Fellow

yzhu2@tuftsmedicalcenter.org

Yolanda received her PhD and master’s degrees in Public Policy from the University of Southern California. At CEVR, her research is focused on racial disparities in health care among persons living with dementia as well as reducing low-value care services.

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