Dialysis Clinic, Inc. - DCI Leadership
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Confidential Compliance Hotline: 877-326-1109
DCI Patient Experience Feedback Line: 833-602-2199 or Patient.Experience@dciinc.org

DCI Executive Leadership

Dialysis Clinic, Inc.’s leaders are committed to improving the lives of individuals all along the kidney care continuum and are focused on furthering our nonprofit patient-first mission as we look to our next 50 years.

Founder and Chairman H. Keith Johnson
Director and Vice Chairman Douglas S. Johnson Board Member James PerryBoard Member Ken Johnson | President Donovan Schultz Executive Vice President Ed Attrill | Chief Operations Officer Stuart Redpath | Chief Financial Officer Joe Swearingen | Chief Strategy Officer and Senior Operations Director Mary Hobeika   



H. Keith Johnson, MD

Founder | Chairman of the Board

H. Keith Johnson, MD, is a board-certified nephrologist retired from Vanderbilt University School of Medicine’s Division of Nephrology, and was formerly Medical Director of the Veterans Administration Renal Transplant Services department. A New York City native, Johnson founded DCI in 1971 as a single outpatient dialysis center raising funds for patient treatments from caring donors at busy Nashville intersections. Since then, he has guided its growth to more than 270 locations across the country. Johnson was the founding President of Southeastern Organ Procurement Foundation in 1980 and President of the United Network for Organ Sharing from 1988 to 1989.



Doug Johnson, MD

Director | Vice-Chairman of the Board

Following in his father’s footsteps to prioritize patient care and innovation for chronic kidney disease patients, Douglas S. Johnson, MD, joined DCI’s Board of Trustees in 1995. After initially studying law, Dr. Johnson decided to pursue medicine to further impact the organization and develop a greater understanding of kidney health, becoming a board-certified internist. He graduated from Vanderbilt University Medical School in 2006, and completed his internal medicine training at University of Tennessee/Baptist Hospital in June 2009. Since returning to DCI in 2009, he has helped to implement financial stability initiatives while also helping to develop tools to ensure excellent patient outcomes and improve patient care. Dr. Johnson cofounded REACH Kidney Care in 2011 to improve the lives of patients with kidney disease, empowering them with resources to assist managing their health and allowing them to live their best lives. Dr. Johnson also serves at DCI Donor Services, Inc., and sees patients biweekly in his internal medicine practice.



James Perry

Board Member

James Perry joined DCI in 1978 and has helped our nonprofit grow to serve more than 14,000 patients each day as Director and formerly as Controller, Treasurer, Secretary/Treasurer and President. A Certified Public Accountant and a Tennessee and American Institute of CPAs member with public and private experience, Perry graduated from David Lipscomb University. Active in the kidney community, he served as a National Kidney Foundation Middle Tennessee Chapter board member. 


Ken Johnson

Board Member 

Ken Johnson is an Engineering Manager at UTC Aerospace Systems, which designs, manufactures and services systems and components for commercial, regional, business and military aircraft, helicopters and other platforms. Johnson proudly serves alongside his father, Dr. Keith Johnson, and brother, Dr. Doug Johnson, as a member of the DCI board of directors and shares their commitment to and passion for DCI’s mission and his family’s legacy. Johnson has a Bachelor of Science in Physics from Macalester College and a Bachelor of Science in Mechanical Engineering from the University of Massachusetts, Amherst.   



Donovan Schultz


Donovan Schultz was named Dialysis Clinic, Inc.’s President in March 2023 after serving in various roles since 2011, most recently Chief Financial Officer and previously Senior Operations Director and Director of Internal Audit. Schultz is a Certified Public Accountant, and started his career working for Deloitte in Nashville, Tenn. He holds a Bachelor of Science in accounting and a Master of Business Administration from Western Kentucky University. Schultz also serves as a Tennessee Kidney Foundation board member.   



Ed Attrill

Executive Vice President 

Ed Attrill’s professional career has helped to shape DCI into the largest dialysis nonprofit in the U.S. as Executive Vice President and formerly General Corporate Accountant, Assistant Controller, Controller, Assistant Treasurer, Secretary/Treasurer, and President. He is a Certified Public Accountant and a graduate of Tennessee Technological University.  



Stuart Redpath

Chief Operating Officer

Stuart Redpath started as a Clinic Administrator in DCI’s New Orleans location before transitioning to the corporate office in 2004. Redpath’s career has been focused on dialysis since 1995 when he worked at Fresenius Medical Care. He holds a bachelor's degree in psychology from Plymouth University in the United Kingdom and a master's degree in business from Webster University in St. Louis, Mo.   



Joe Swearingen

Chief Financial Officer

Joe Swearingen brings a personal connection to fulfilling DCI’s patient-first mission, as his brother was previously on dialysis and has undergone two kidney transplants over the course of Joe’s 25-year DCI career. Swearingen was named CFO in March 2023, previously serving as Director of Managed Care and Reimbursement for the past 20 years and Director of Internal Audit from 2000 to 2003 after joining DCI in 1998. He previously worked for the Federal Election Commission for eight years, five of which as an audit manager. Swearingen is a member of the Tennessee Society of CPAs, an elder in his church and is involved in its Tennessee Prison Outreach Ministry. He holds a bachelor's degree in accounting from the University of Tennessee at Martin.    



Mary Hobeika

Chief Strategy Officer | Senior Operations Director

Mary Hobeika’s nursing background and desire to improve patient care led her efforts to grow DCI’s Hospital Services division as Director upon joining DCI in 2013. It also guides her leadership as a Senior Operations Director in the Boston area, where she’s served in a dual role since 2014. Hobeika’s focus is now turned to DCI’s next 50 years as Chief Strategy Officer. She is a Registered Nurse and worked in critical care for 15 years before earning a Master of Science in Nursing from Vanderbilt University and a Master of Business Administration from Vanderbilt University Owen School of Management. Dedicated to giving back to the local kidney community, Hobeika serves as a Tennessee Kidney Foundation board member.