Our Galvanized Task Force
SRTR Directors, Senior Staff, and Project Team
SRTR is administered by the Chronic Disease Research Group of the Hennepin Healthcare Research Institute in Minneapolis, Minnesota. Our leadership team is made up of Directors and SRTR Senior Staff members who are experts in their subfields of transplantation. In addition, our support team is made up of dedicated individuals who work diligently to provide the best information possible to all of our stakeholders.
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Directors
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Jon Snyder, PhD, MS
Director
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Roslyn (Roz) Mannon, MD
Medical Director
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Allyson Hart, MD, MS
Deputy Director
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Ryutaro (Ryo) Hirose, MD
Surgical Director
Management
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Ryan Follmer
Senior Director, Information Technology and Services
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Caitlyn Nystedt, MPH, PMP
Program Director, Organ Donation and Transplantation Research
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Mona Shater, MA
Marketing and Communications Director
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David Zaun, MS
Senior Manager of Biostatistics
Project Team
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Yoon Son Ahn, MS
Biostatistician
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Chris Comstock
Full-Stack Software Engineer
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Avery Cook, MPH, MSW
Project Coordinator
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Tonya Eberhard
Communications Coordinator
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Anna Gillette
Medical Editor
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Peter Golden
Systems Administrator
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Ahmed Habashy, PMP
Senior IT Project Manager
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Patrick Johnson
Senior SQL Database Engineer
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Amy Ketterer
Communications and Design Specialist
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Sydney Kletter Sharma
Research Office Manager
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Dan Larson
SQL Database Engineer
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Grace Lyden, PhD
Biostatistician
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Maria Masotti, PhD
Biostatistician
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Warren McKinney, PhD
Health Equity and Disparities Researcher
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Jonathan Miller, PhD, MPH
Biostatistician
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Hilford Ponnie
Systems Administrator
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Joshua Pyke, PhD
IT Manager, DevOps
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Cory Schaffhausen, PhD
Human Centered Design Engineer
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David Schladt, MS
Biostatistician
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Eugene Shteyn, MS
Senior Software Engineer
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Katie Siegert, MPH
Project Manager
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Bryn Thompson, MPH
Senior Project Manager
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Tim Weaver, MS
Data Systems Manager
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Nicholas Wood, PhD
Biostatistician, Simulation Engineer
Senior Staff
David Axelrod, MD, MBA, FACS | Senior Staff for Medical Informatics |
Monica Colvin, MD | Senior Staff for Heart Transplantation |
Earnest Davis, PhD, MHSA | Senior Staff for Patient & Family Affairs |
Sommer Gentry, PhD | Senior Staff for Simulated Allocation Modeling |
Simon Horslen, MB, ChB, FRCPCH, FAASLD, FAST | Senior Staff for Intestine, Liver, Pediatrics |
Lawrence Hunsicker, MD, PhD | Senior Staff for Special Projects |
Ajay Israni, MD, MS | Senior Staff for Special Projects |
Raja Kandaswamy, MD | Senior Staff for Pancreas Transplantation |
W. Ray Kim, MD | Senior Staff for Liver Transplantation |
John (Jack) Lake, MD | Senior Staff for Liver Transplantation |
Krista Lentine, MD, PhD | Senior Staff for Kidney & Living Donation |
Rajalingam Raja, PhD, FRCPath, D(ABHI) | Senior Staff for Histocompatibility |
Mark Schnitzler, PhD | Senior Staff for Economics |
Dorry Segev, MD, PhD | Senior Staff for Special Projects |
Jodi Smith, MD, MPH | Senior Staff for Pediatric Transplantation |
Peter Stock, MD, PhD | Senior Staff for Kidney and Pancreas |
Maryam Valapour, MD, MPP | Senior Staff for Lung Transplantation |