Kidneylink is led by a diverse community of nephrologists and operators passionate about transforming care delivery across the kidney disease spectrum. With decades of value-based care experience, the Kidneylink leadership team brings proven expertise and insights to help our partners navigate and drive the future of kidney care.
Read Our Latest Press Release
Kidneylink Announces Program Growth in Value-Based Kidney Care
Expands care to 16,000+ patients with 600+ nephrologists nationwide
Leadership Team
Mark Caputo
Chief Executive Officer
- Founded Liberty Dialysis in 2002 and served as its Chief Executive Officer
- Served as Chairman of the Board of Sound Physicians
- Served as Managing Partner of Joint Ventures for Fresenius Medical Care
Mary Dittrich, MD, FASN
Executive Vice President, Chief Medical Officer
- 11+ years of experience in IT and operations management at Caremore and Anthem.
Alex Portet
Co-Chief Operating Officer
- Practicing Nephrologist
- Co-founder and Partner of Boise Kidney & Hypertension Institute
- Served as Chairman of the Medical Advisory Board, Liberty Dialysis
Thao Pascual, MD, FASN
Associate Chief Medical Officer
- Founded Liberty Dialysis in 2002 and served as its Chief Executive Officer
- Served as Chairman of the Board of Sound Physicians
- Served as Managing Partner of Joint Ventures for Fresenius Medical Care
Mike Rocklin, MD
Associate Chief Medical Officer
- 11+ years of experience in IT and operations management at Caremore and Anthem.
Danuta Trzebinska, MD
Associate Chief Medical Officer, Value-Based Care
- Practicing Nephrologist
- Co-founder and Partner of Boise Kidney & Hypertension Institute
- Served as Chairman of the Medical Advisory Board, Liberty Dialysis
Greg Schlessinger, MD
Vice President, Clinical Affairs, Office of the Chief Medical Officer
- 11+ years of managed care experience, with a focus on partnerships between payers and providers at Landmark Health and Oliver Wyman.
Kelly Barker
Senior Vice President, Finance
- 20+ years of experience operating health plans and building provider partnerships with capitated arrangements at Centene and US Oncology.
Mike Flood
Senior Vice President, Market Operations
Mikenzie Matteson
Chief Actuary
- 11 years of analytics / actuarial experience in the value based care in the post-acute / home health spaces at CareCentrix and Aetna.
Todd Newby
Vice President, Product
Sean O'Sullivan
Vice President, Risk Adjustment
Alan St. Pierre
Vice President, Market Operations
- 11 years of analytics / actuarial experience in the value based care in the post-acute / home health spaces at CareCentrix and Aetna.
Phil Sarnowski
Senior Vice President, Business Transformation
Katherine Tripple
Senior Vice President, Strategy and Innovation
Jenny Wang
Vice President, Value-Based Care Analytics
- 11 years of analytics / actuarial experience in the value based care in the post-acute / home health spaces at CareCentrix and Aetna.
- Colorado Kidney Care — CMO
- Renal Physicians Assoc. — Chairman CKD Workgroup.
- 20+ years of experience of value based care in Medicare/Medicaid and practice management with specialist providers at US Oncology and Optum/UnitedHealth Group