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Our leadership strives to foster stability and growth, while bringing
a commitment to new clinical research innovations.

DaVita Clinical Research® Leadership

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 clinical research organization can provide.

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Amy Young

Vice President, General Manager

Amy Young has been a vital part of DCR bringing deep experience in the execution of research required to bring new therapies to market. Direct experience in the care of… Read more

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Tara Kelley

Sr. Director of Operations, Late Phase

Tara Kelley’s clinical operations experience spans 20 years and includes a broad range of project and resource management, strategic business planning, team building and effective leadership.  Her expertise includes protocol… Read more

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Michael Kritschgau

Sr. Director, Strategic Alliances

Michael Kritschgau joined DCR in 2016 and brings with him over 20 years of site experience in the clinical trial industry.   He began his career at the largest independent research… Read more

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Steven Brunelli MD, MSCE

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… Read more

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Mahesh Krishnan, M.D., MPH, FASN

Vice President, Clinical Research

Dr. Mahesh Krishnan’s invaluable industry knowledge includes the well-documented areas of internal medicine, epidemiology, nephrology, public health, the business of healthcare, health economics, and health policy. Prior to joining DCR,… Read more

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Allen R. Nissenson, M.D., FACP, FASN, FNKF

Chief Medical Officer

Dr. Nissenson is Chief Medical Officer of DaVita Inc. and an Emeritus Professor of Medicine at the David Geffen School of Medicine at UCLA, where he served as Director of… Read more