Giving the Most

Leadership

U.S. Renal Care is led by a seasoned senior management team with more than 150 years of collective experience in healthcare management and operations.

 

Headshot of Mark Caputo.
Mark Caputo
Chairman of the Board,
Chief Executive Officer

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Doctor Mary Dittrich.
Mary Dittrich, MD, FASN
Executive Vice President,
Chief Medical Officer

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Sarrah Johnson, DNP, MBA, RN
Chief Diversity & Inclusion Officer and
Senior Vice President, Operations

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Headshot of Nitin Jain.
Nitin Jain
President, Payer Solutions
& Value Based Care

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Headshot of Doctor Geoff Block. 
Thao Pascual, MD, FASN 
Associate Chief Medical Officer 

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Headshot of Doctor Geoff Block. 
Geoffrey A. Block, MD 
Associate Chief Medical Officer &
Senior Vice President,
Clinical Research & Medical Affairs

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Headshot of Debbie Taylor.
Debbie Taylor, MSN, RN, CNN
Senior Vice President,
Chief Nursing Officer

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Headshot of Steve Nottingham.
Steve Nottingham
Co-Chief Operating Officer

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Headshot for James Shelton.
Alex Portet 
Co-Chief Operating Officer

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Headshot for James Shelton.
Ahmad Sharif, MD, MPH, SCPM 
Executive Vice President,
Chief Administrative &
Clinical Information Officer

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Headshot for Thomas L Weinberg.
Thomas L. Weinberg
Executive Vice President,
General Counsel; Compliance
& Privacy Officer

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Headshot for James Shelton.
James D. Shelton 
Executive Vice President,
Chief Financial Officer

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Headshot for Tim Buono.
Tim Buono
Executive Vice President, 
Chief Development Officer - Dialysis

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Headshot of Tom Alloco.
Tom Allocco
Senior Vice President,
Technical Services

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Nelson Imana headshot.
Nelson Imaña
Chief Information Officer

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Headshot of Christa Pfunder.
Lynelle McLain
Senior Vice President,
Chief Accounting Officer

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Headshot of Christa Pfunder.
Christa Pfunder
Chief Financial Officer,
Dialysis Operations

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Headshot for Dave Richardson.
Dave Richardson
Divisional President,
Operations

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Headshot of Michael Rocklin
Michael Rocklin, MD 
Vice President,
Clinical Affairs

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Headshot of Phil Sarnowski.
Phil Sarnowski 
Senior Vice President,
Business Transformation Partner

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Headshot for Cameron Thompson.
Cameron Thompson
Divisional President,
Operations

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