Our leadership strives to foster stability and growth, while bringing a commitment to new clinical research innovations.
Fostering stability, growth, and a commitment to new clinical research innovations, the DaVita Clinical Research® team is dedicated to advancing the knowledge and practice of clinical research with a unique perspective that only a provider-based Renal Research Site Network can provide.
Vice President, General Manager
Cristina Green serves as the General Manager of DaVita Clinical Research (DCR). With over 27 years of experience in the clinical research field, Cristina has led global teams dedicated to… View full profile
Director, Business Development
Karl Buer joined DCR in 2025 as a Director of Business Development, bringing over 20 years of experience in the clinical research industry. He offers extensive expertise across the clinical… View full profile
Vice President and Medical Director of Health Economics and Outcomes Research
Prior to joining DCR, he was a faculty member at Harvard Medical School and the Brigham and Women’s Hospital, where he directed an active clinical research group focusing on chronic… View full profile
Medical Director, VP, DaVita Outcomes Research and Patient Empowerment
Francesca Tentori, MD, MS is the medical director of outcomes research and patient empowerment at DaVita and an adjunct instructor in medicine at Vanderbilt University. Dr. Tentori is an internationally… View full profile