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Dedication to You

Senior Staff

David T. Gilbertson, PhD

Dr. Gilbertson is the Co-Director of the Chronic Disease Research Group (CDRG).

Prior to becoming Co-Director in 2014, he served as Director of Biostatistics and Epidemiology, since joining CDRG in 2000. His current professional interests include the application of multi-state models to observational epidemiologic analyses, the use of causal inference techniques such as marginal structural models, and other methods of addressing time-varying confounding when using administrative health care claims data.

 

 

Allyson Hart, MD

Dr. Hart is a nephrologist at Hennepin County Medical Center, Assistant Professor of Medicine at the University of Minnesota,

and Senior Staff for Kidney at the Scientific Registry of Transplant Recipients. She obtained her MD degree from the University of California, San Francisco, and completed her internal medicine residency at the University of Utah, then completed a fellowship and a Master of Science degree in Clinical Research, with an emphasis on epidemiology, at the University of Minnesota. Her research interests include risk prediction and the use of large data sets to create understandable tools that are useful in clinical settings at the point of care. She is also interested in mixed qualitative and quantitative methods, interdisciplinary team approaches, stakeholder engagement, and research on improving racial and gender disparities in health outcomes.

Charles A. Herzog, MD, FACC, FAHA

Dr. Herzog is a Professor of Medicine at the University of Minnesota, and has been a cardiologist at

Hennepin County Medical Center since 1985. He is the Cardiology Medical Director of CDRG, and has been a CDRG investigator since CDRG’s inception. Dr. Herzog is an expert in the study of “real-world” epidemiology of cardiovascular disease in elderly Medicare patients, studying the epidemiology and outcomes of Medicare patients with acute coronary syndromes, congestive heart failure, atrial fibrillation (including anti-coagulation), and stroke. In addition, he maintains a long-term interest in all aspects of cardiovascular disease in patients with all stages of chronic kidney disease, including end-stage renal disease.

Ajay K. Israni, MD

Dr. Israni is a nephrologist at Hennepin County Medical Center and Deputy Director of the Scientific Registry of Transplant Recipients.

He is an Associate Professor of Medicine and Adjunct Associate Professor of Epidemiology and Community Health at the University of Minnesota. He has published over 100 manuscripts in the field of nephrology and solid organ transplantation, and has experience seeing thousands of patients for international studies in these fields. Dr. Israni received a prestigious research award from the Robert Wood Johnson Physician Faculty Scholar Program to use administrative datasets and Medicare claims to improve outcomes in solid organ transplantation.

Bertram L. Kasiske, MD

Dr. Kasiske did his undergraduate training at Michigan State University, East Lansing, Michigan.

He received his medical degree from the University of Iowa. He completed internal medicine residency and fellowship training in nephrology at Hennepin County Medical Center, an affiliate hospital of the University of Minnesota in Minneapolis. He is former Deputy Director of the United States Renal Data System, former Editor-in-Chief of the American Journal of Kidney Diseases, and former Co-Director of Kidney Disease: Improving Global Outcomes (KDIGO). Currently, he is Director of Nephrology at Hennepin County Medical Center and Professor of Medicine at the University of Minnesota. He is the Principal Investigator for a National Institutes of Health grant to study long-term effects of kidney donation, US Investigator for the Study of Heart and Renal Protection (SHARP), and Director of the Scientific Registry of Transplant Recipients.

Shuling Li, PhD

Dr. Li is a senior epidemiologist at CDRG. She earned her PhD in epidemiology from the University of Minnesota.

She served as a senior biostatistician for the United States Renal Data System (USRDS) and the Cardiovascular Special Studies Center of the USRDS for 14 years. She has extensive training in the fields of biostatistics and epidemiology, and broad experience in using administrative databases, applying statistical methods, and designing and conducting studies through federal and commercially funded projects. Her research interests include cancer epidemiology, the late effects of cancer therapy, in particular cardiotoxicity and nephrotoxicity of chemotherapy in cancer survivors, and comparative effectiveness research. Her experience includes cancer surveillance and care studies in the clinical areas of solid tumors, acute lymphoid leukemia, multiple myeloma, and primary immune thrombocytopenia.

Suying Li, PhD

Dr. Li is an investigator at CDRG, specializing in health economics.

She was the lead biostatistician for the National Kidney Foundation’s Kidney Early Evaluation Program (KEEP) Coordinating Center from 2000 through 2011, and served as a co-investigator in the Centers for Disease Control and Prevention’s Chronic Kidney Disease Detection Program from 2006 through 2009. Dr. Li has broad experience in health economics, health service research and policy, and biostatistics methodology. She has authored over 80 publications in peer-reviewed journals, addressing clinical outcomes and Medicare expenditures in dialysis patients, chronic kidney disease risk factors and outcomes in high-risk populations, and diabetes care and related outcomes.

Jiannong Liu, PhD

Dr. Liu is a principal biostatistician at CDRG. He earned his PhD in biostatistics at the University of Minnesota.

He has served as an investigator and lead biostatistician at CDRG since 2000. He served as a co-investigator and lead biostatistician for the United States Renal Data System and as Senior Staff for Biostatistics for the Scientific Registry of Transplant Recipients. Dr. Liu’s research interest is in the development and application of statistical methodology in observational data analyses for surveillance and comparative effectiveness research, emphasizing disease mapping, health care profiling, patient comorbidity burden evaluation, analyses of data with complex relationships, bias correction, and clinical outcome analyses. He has authored more than 90 peer-reviewed journal articles in these related fields.

Jon J. Snyder, PhD

Dr. Snyder serves as the Director of Transplant Epidemiology at CDRG.

In this role, he oversees CDRG’s research in the areas of organ, eye, and tissue donation and transplantation. CDRG’s transplantation division currently operates the Scientific Registry of Transplant Recipients under contract with the Health Resources and Services Administration of the US Department of Health and Human Services. Dr. Snyder’s research focuses on data analytics targeted at healing and saving more lives through transplantation, with a particular focus on data used for quality monitoring and quality improvement.

Wendy L. St. Peter, PharmD, FASN, FCCP, FNKF

Dr. St. Peter is a Professor in the College of Pharmacy at the University of Minnesota.

She received her Doctor of Pharmacy degree from the University of Texas Health Science Center, where she also completed a fellowship in adult medicine. She served as a clinical practitioner at Hennepin County Medical Center in Minneapolis for several years where she provided medication therapy management of dialysis and chronic kidney disease (CKD) patients. Her current research interests include prevention and treatment of CKD symptoms, anemia, mineral and bone disease, and the intersection of heart failure, CKD and acute kidney injury.

 

James B. Wetmore, MD, MS

Dr. Wetmore is the Medical Director for Nephrology Research at CDRG.

His main area of interest is the epidemiologic study of patients with chronic kidney disease and end stage-renal disease, particularly those receiving maintenance dialysis. His particular focus is on the epidemiology of cardiovascular disease and mineral and bone disorders in dialysis patients. He serves as Principal Investigator for several recently undertaken studies using the electronic health records at Hennepin County Medical Center. Dr. Wetmore has authored over 80 peer-reviewed publications and several book chapters. A practicing nephrologist at HCMC seeing inpatients and outpatients, Dr. Wetmore brings real-life clinical experience to his research projects.

Staff

Katherine Audette, MS Project Manager
Nan Booth, MSW, MPH, ELS Medical Editor
Carl Fils-Aime Webserver Administrator
Ryan Follmer IT Manager
Beth Forrest Administrator
Mark Fredrickson, MPH SQL Developer
Pamela Giles Senior Administrative Assistant
Sally Gustafson, MS Biostatistician
Haifeng Guo, MS Biostatistician
Tingting Gong, MS Biostatistician
Noelle Hadley, MS Biostatistician
Alyssa Herreid, MPH Project Manager
Patrick Johnson SQL Developer
Yuanyuan Ji Biostatistician, Intern
Amy Ketterer Senior Communications Coordinator
Dana Knopic Senior Administrative Assistant
Iris Kou, MS Biostatistician
Tom Matlon Biostatistician
Kimberly Nieman, MS Senior Project Manager
Yi Peng, MS Director of Analytics
Hilford Ponnie Hardware Engineer
Joshua Pyke, PhD Healthcare Research Programmer Analyst
Tricia Roberts, MS Biostatistician
Nick Roetker, PhD Epidemiologist
Nicholas Salkowski, PhD Biostatistician
David Schladt, MS Biostatistician
Anne Sexter, MPH Biostatistician 
Mona Shater, MA Marketing & Communications Manager
Anne C. Shaw Senior Administrative Assistant
C. Daniel Sheets Senior Hardware Engineer
Susan Sheppard Project Manager
Eugene Shteyn, MS Software Systems Developer
Melissa Skeans, MS Biostatistician
Bryn Thompson, MPH Project Manager
Xinyue Wang Senior Software Systems Engineer
Tim Weaver, MS Biostatistician
Andrew Wey, PhD Biostatistician
Heng Yan, MS Biostatistician
Tianjiao Yi, MS Biostatistician
David Zaun, MS Manager, Biostatistics

The Chronic Disease Research Group (CDRG) is a division of the Hennepin Healthcare Research Institute (formerly known as the Minneapolis Medical Research Foundation), located in Minneapolis, MN