Israel Campos, M.D.
Research Fellow
PubMed Entries

Israel was born in Zitacuaro, Mexico. In 2006 he received the M.D. degree from the “Universidad Michoacana de San Nicolas de Hidalgo” in Morelia, Mexico, and obtained the Internal Medicine and Nephrologist diploma by the UNAM (Universidad Nacional Autonoma de Mexico) after successfully completing his fellowship at the Ignacio Chavez National Institute of Cardiology in Mexico City.

Dr. Campos also received training in Interventional Nephrology in Maracaibo, Venezuela. He is a member of the ISN (International Society of Nephrology), ASN (American Society of Nephrology) and IMIN (Instituto Mexicano de Investigaciones Nefrologicas). Prior arriving at the Renal Research Institute, Dr. Campos worked in various research projects related to cardiovascular and brain disease in hemodialysis and on-line hemodiafiltration patients. His main interest at RRI is focused in vascular access evaluation for renal replacement therapies, and on-line hemodiafiltration studies, jointly with the Ignacio Chavez National Institute of Cardiology in Mexico.

John Callegari, MBA, MPH
Research Director of Planning & Analysis
PubMed Entries

John has been with RRI since February of 2003 where he began as Controller of New York Dialysis Services before coming into this role in 2007. His duties include budget preparation, analysis and grant submissions. He is also a founder of the Sustainable Kidney Care Foundation (SKCF) which provides dialysis in developing nations currently with programs operating in sub-Saharan Africa.

Mary Carter, PhD, MBA, MPH
Senior Research Program Director
PubMed Entries

Mary is responsible for the overall strategic management of the research program with a focus on team building and collaborative research in an international setting. She has been with RRI for 15 years leading the program from inception to its current level of international recognition for innovation, swift decision making and excellence in clinical trial execution. Her oversight includes the annual CKD conference and Dialysis Times. Her leadership in the global arena is exemplified by her work with the Sustainable Kidney Care Foundation, bringing kidney treatment where none exists, where she is the founder and director. With a background in molecular biology, physiology, business and public health, she has the skills to lead this team into future success.

Doris H. Fuertinger, MSc, PhD
Senior Research Fellow
PubMed Entries

Doris has finished her doctoral studies in mathematics at the Karl-Franzens University, Graz, Austria. She specializes in mathematical modeling in physiology and numerical mathematics. Prior working at RRI, Doris was involved in projects about erythropoiesis, cardiovascular response to ergometric workload, orthostatic stress and low body negative pressure (a model of hypotension). Her research interests include: anemia management, change of blood volume intra- and interdialytically, the connection between EPO and prolonged red cell survival and cardiovascular modeling.

Peter Kotanko, MD
Research Director
PubMed Entries

Peter Kotanko, MD as the Research Director is responsible for the overall direction of RRI’s research whose work spans bench science to clinical research to epidemiology to mathematical modeling, protocol design, manuscript preparation and teaching. After spending three years at RRI, Dr. Kotanko was recruited to take over the strategic leadership role of RRI’s research in 2010. His background and expertise in physiology, internal medicine and nephrology and 20 years of clinical experience enable him to be the intellectual leader for our scientists and fellows who come to train in clinical research. He is a member of the Editorial Board of Blood Purification, and Kidney and Blood Pressure Research and co-author of over 190 peer-reviewed publications and book chapters and holds several patents in the dialysis field.

Prior to joining RRI, he was the Vice Chair of a Department of Internal Medicine in Graz, Austria, from 1997 to 2007. From 1982 to 1989, he worked as an Assistant Professor, first in the Department of Physiology, and subsequently at the University Clinic of Internal Medicine, Innsbruck, Austria. From 1995-1996 Dr. Kotanko worked at the Hammersmith Hospital in London, UK. Dr. Kotanko’s current teaching appointments are with the Albert Einstein College of Medicine, New York, and the Medical University in Innsbruck. He has lectured internationally on topics in nephrology, physiology, and mathematical modeling.

Jochen G. Raimann, MD, PhD
Senior Principal Scientist
PubMed Entries

In April 2007 Jochen received his Medical degree, after approval of his doctoral thesis, from the Medical University Graz, Austria, and in October 2014 his PhD, after approval and defense of this doctoral thesis, from the Faculty of Health, Medicine and Life Sciences at the University of Maastricht, Netherlands. Jochen is also certified by the Educational Commission for Foreign Medical Graduates (ECFMG) since January 2009. His research activities and interests include glucose and insulin kinetics and metabolism, dry weight estimation, the determination of body composition and body volumes, bioelectrical impedance, cardiovascular pathology in dialysis patients (blood pressure, heart rate variability), the importance of dialysate and serum sodium in dialysis therapy and the clinical application of saliva urea nitrogen as measured by a dipstick method. Dr. Raimann has first- and co-authored several peer-reviewed papers, abstracts and book chapters, is a member of the Editorial Board of Dialysis Times and NDT Educational, and has also been peer-reviewer for various international journals.

Laura Rosales, MD
Director of the Dialysis Research Laboratory
PubMed Entries

Laura started her clinical research as a research fellow for Beth Israel Medical Center in partnership with RRI. Laura obtained her MD degree from the Central University in Quito, Ecuador and did her residency training in nephrology at the Armed Forces Hospital N1 in Quito. She has been working in clinical research for more than 13 years and has presented her work worldwide. She has authored and co-authored numerous publications in peer reviewed journals. She has collaborated actively with prestigious institutions such as the University of California at Davis, the Medical University of Graz, Austria and the Maastricht University Hospital, Netherlands. She is a member of the American Society of Nephrology and the New York Academy of Sciences.

Penny F. Sheppard
Special Projects Coordinator

Penny has worked at the Renal Research Institute for over 14 years. She currently holds a BA degree and plans on furthering her education. As a Special Projects Coordinator she is in a unique position to assist both Operations and Research colleagues. She is a member of the Research Quality Team (RQT) working collaboratively to maintain the highest standards in clinical and research related documents. Among Penny's many valuable assets to the company would be her excellent skill at editing large databases as well as her gift at auditing. She is an author on 10+ abstracts and holds memberships in various professional societies.

Stephan Thijssen, MD
Research Laboratory Director
PubMed Entries

Prior to coming to New York, Dr. Thijssen worked in the Nephrology Department at the University Hospital Homburg, Germany. He joined Renal Research Institute in 2005 and has served in his current position as Research Laboratory Director since 2010. Dr. Thijssen brings ten years of research experience to the RRI team. He has written and published an extensive number of scholarly articles in leading national and international journals in the field, and published several book chapters. Dr. Thijssen holds one patent and has ten pending U.S. and international patents in the field of nephrology. Dr. Thijssen provides leadership and direction for RRI research activities and directs the planning, development, coordination and management of RRI research projects, and oversees their execution.

Len Usvyat, PhD
Vice President, Integrated Care Analytics
PubMed Entries

Len Usvyat is a Vice President of Integrated Care Analytics with Fresenius Medical Care North America Medical Office. Len holds a Master’s Degree from the University of Pennsylvania and PhD from University of Maastricht. He has over 14 years of experience in data management, analytics, and epidemiology. He is responsible for supporting analytical efforts for Fresenius’s integrated care assets which includes routine and custom reporting, predictive modeling, outcomes analysis, and research. Len collaborates with RRI on a variety of research projects, particularly related to the MONDO initiative.

Fansan Zhu, PhD
Senior Research Scientist
PubMed Entries

Fansan studied biomedical signal processing as well as design of biomedical instrumentation at the Department of Bioengineering, Huazhong University of Science & Technology, Wuhan, China from 1992-1996. He was Vice President in Wuhan Miyou Medical Instrument Co., Ltd. Wuhan, China from 1981 to 1989. His research interests are body fluid dynamics and body composition, modeling of electrical properties in tissue and the application of bioimpedance technique for estimating normal hydration in dialysis patients. He is the author of over forty peer-reviewed papers in highly ranked professional journals and is an inventor on six U.S. patents.

Anna Meyring-Wösten, PhD
Research Fellow

In May of 2013, Anna received a Doctoral Degree in Biology at the Westphalian Wilhelms-University Münster, Germany. During her doctoral studies funded by the International Graduate School “Molecular Interactions of Pathogens with Biotic and Abiotic Surfaces” (GRK1409) she investigated the mechanisms underlying viral genome transfer through the nuclear barrier. Furthermore, she worked on a controlled increase of the nuclear pore permeability at the Institute of Physiology II in Münster. Anna joined RRI as a Research fellow in May of 2014, and brings five years of basic research experience to the RRI team. Her research activities and interests include intradialytic vascular refill, interdialytic activity, calcium and phosphate regulation as well as sodium balance.

Maggie Han
Student Intern

Maggie graduated with a bachelor’s degree from New York University where she studied economics and pre-medical sciences. During her time at New York University, Maggie studied the inheritance of epigenetics in fission yeasts. She is currently examining how to improve physical activity in hemodialysis patients. She is very excited to learn from her first experience in clinical research.

Hanjie Zhang

Hanjie Zhang, a Statistician joined RRI in June 2014. She works in the RRI’s Research division on a variety of projects, and also work on the predictive modeling, including generalized linear models, generalized additive models, tree models, SVM, KNN, and K means. She graduated from Columbia University with a Master Degree in Statistics in Oct. 2013. Prior to working at RRI, Hanjie worked in Columbia University Medical Center for 4 years with experiences in environmental health related research and data analysis.

Vaibhav Mheshwari, PhD
Research Fellow

Vaibhav Maheshwari joined RRI as an research fellow in August 2014. He is a chemical engineer by training and received his PhD from the National University of Singapore. After his PhD, he was a research fellow in Duke-NUS Graduate Medical School where he worked in the area of Design of experiments for computer simulations. His PhD research focused on toxin kinetic modeling and model based design of experiments. Vaibhav designed and executed pilot clinical trials related to studying the effect of intra-dialytic exercise on physiological changes and studying the effect of dialysate temperature on toxin removal. He brings 6 years of inter-disciplinary research experience in mathematical modeling, model-based design of experiments, optimization, and multi-variate statistical data analysis. His current research in RRI focuses on kinetics of protein-bound toxins and acetate-bicarbonate balance.

Schantel Williams, RN
Clinical Research Coordinator

Schantel joined RRI as a Clinical Research Coordinator in September 2014. She received her Bachelors of Science in Nursing from New York University. She has many years of experience working in clinical research, primarily as a research nurse and coordinator. Currently she will be working with the RRI researchers on study coordination as well as on the Research Quality Team.

Xiaoling Ye
Clinical Systems Database Analyst

Xiaoling joined RRI as a Clinical Systems Database Analyst in October 2014 to support the day to day data analytical activities of the research group. She received her Masters degree of Public Health from Tulane University in May 2014. Before she joined RRI, Xiaoling was working two years in clinical research, epidemiology research and data analysis.