Nephroceuticals Leadership


Kidney & Heart Health Professionals

The Nephroceuticals leadership team brings expertise, research, and dedication to create doctor formulated supplements for kidney and heart health.

John Wigneswaran, MD

Board Chairman, Member Clinical Advisory Board

John Wigneswaran was appointed Board Chairman for Nephroceuticals in 2008. Under his leadership, the Company assembled a team of national experts and clinical thought leaders in the field of nutrition and produced the first evidence-based nutritional supplements to promote health in people with Chronic Kidney Disease, End Stage Renal Disease and Cardiac Disease.

Early in his career, Dr. Wigneswaran served as Director of Medical Affairs for Scios Inc, a start-up heart failure company, working with the clinical team helping to help commercialize a novel heart failure medication which led to its eventual acquisition by Johnson and Johnson. He has expertise in kidney disease, heart failure, the cardiorenal syndrome, the use of ultrafiltration in volume overloaded states, as well as loop diuretic resistance and pharmacokinetics in heart failure. Dr. Wigneswaran next joined CHF Solutions/Baxter where he headed the Medical Affairs division responsible for clinical trial development, medical education, and commercial strategy. Following this, Dr. Wigneswaran was recruited to head the heart failure business unit of Fresenius Medical Care, serving as Vice President of Market Development and Clinical Strategy. He currently serves as Vice President of Clinical Affairs for DaVita Healthcare Partners.

Dr. Wigneswaran is board certified in Nephrology and Internal Medicine. He attended Cornell University and received a medical degree from Tufts University School of Medicine in Boston, Massachusetts. He completed his fellowship training in Nephrology at New York Hospital/Cornell Weill College of Medicine.

Joel D. Kopple, MD

ProRenal Advisory Board Chair

Professor of Medicine and Public Health
Harbor-UCLA Medical Center
UCLA School of Medicine and Public Health
Chair, KDOQI Clinical Practice Guidelines for Nutrition Work Group
Past President, National Kidney Foundation

Dr. David Kracker

ProRenal Advisory Board Member

Medical Director, Fresenius Medical Care
Partner, Nephrology Associates Northern Illinois
Clinical Teaching Professor, West Suburban Hospital, Illinois
Past Medical Staff President, Rush Oak Park Hospital, Illinois
Member, American Society of Nephrology
Nephrology fellowship completed at New York Hospital/Cornell University

Robert Provenzano, MD

ProRenal Advisory Board Member

Section Head, Nephrology, St. John’s Hospital
Associate Clinical Professor Of Medicine
Wayne State University School of Medicine
Vice President of Business Development, Davita Inc
Past President, Renal Physicians Association (RPA)

Alison Steiber, PhD, RD, LD

ProRenal Advisory Board Member

Editorial Board of the Journal of Renal Nutrition
Council of Renal Nutrition, Executive Research Committee
Assistant Professor of Nutrition
Case Western Reserve University

Jeffrey Hymes, MD

ProRenal Advisory Board Member

Chief Medical Officer, Fresenius Medical Care
Co-Founder, President, and Chief Medical Officer, National Nephrology Associates, Inc.
Co-Founder REN Corporation
Medical internship and residency at Yale New Haven Medical Center with subspecialty training in nephrology at Boston University

John Wigneswaran, MD

ProRenal Advisory Board Member

Vice President, Clinical Affairs, DaVita Healthcare Partners
Former Vice President of Market Development and Clinical Strategy, Fresenius Medical Care
Former head of Medical Affairs, CHF Solutions/Baxter
Former Director of Medical Affairs, Scios Inc.
Nephrology fellowship completed at New York Hospital/Cornell University

Geoffrey Block, MD

ProRenal Advisory Board Member

Clinical Associate Professor of Medicine University of Colorado Health Sciences Center
Director of Clinical Research, Denver Nephrology, Denver, CO
Attending physician St. Josephs Hospital
Nephrology fellowship completed at University of Michigan at Ann Arbor

James A. Hill, MD, MS, FACC, FAHA

Cardiamin Advisory Board Chair

Professor of Medicine, Division of Cardiology
University of Florida College of Medicine
Medical Director, Advanced Heart Failure Program

John B. O’Connell, MD

Cardiamin Advisory Board Member

Executive Director, Heart Failure Program
Heart and Vascular Institute
St. Joseph’s Hospital, Atlanta, GA
Past president, International Society for Heart and Lung Transplantation

Gregg Fonarow, MD, FACC

Cardiamin Advisory Board Member

Professor of Medicine, UCLA
Director, UCLA Cardiomyopathy Center
Co-Director, UCLA Preventative Cardiology Program
Associate Chief, UCLA Division of Cardiology
The Eliot Corday Chair in Cardiovascular Medicine

Craig Walker, MD, FACC, FACP

Cardiamin Advisory Board Member

Founder and Medical Director
Cardiovascular Institute of the South
Clinical Professor of Medicine
Tulane University School of Medicine, Houma LA

Maria Rosa Costanzo, MD, FACC, FAHA

Cardiamin Advisory Board Member

Medical Director Midwest Heart Specialists Heart Failure and Pulmonary Hypertension
Chair, International Society for Heart and Lung Transplant Guidelines Committee

Nirav Raval, MD

Cardiamin Advisory Board Member

Medical Director, Heart Transplantation and Heart Failure Device Therapy
Piedmont Heart Institute
Atlanta, GA

Robin Trupp, PhD, RN, APRN

Cardiamin Advisory Board Member

Clinical Assistant Professor
The Ohio State University
College of Nursing
Columbus, Ohio

Mitchell T. Saltzberg, MD, FACC

Cardiamin Advisory Board Member

Medical Director,
Heart Failure Program
ChristianaCare HealthSystem Newark DE

John Wigneswaran, MD

Cardiamin Advisory Board Member

Vice President, Clinical Affairs, DaVita Healthcare Partners
Former Vice President of Market Development and Clinical Strategy, Fresenius Medical Care
Former head of Medical Affairs, CHF Solutions/Baxter
Former Director of Medical Affairs, Scios Inc.
Nephrology fellowship completed at New York Hospital/Cornell University