Dialysis Clinic, Inc. - DCI Leadership
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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 James Perry | Director and Vice Chairman Douglas S. Johnson | Board Member Ken Johnson | President Bill Wood | Executive Vice President and Corporate Secretary Ed Attrill | Chief Operations Officer Stuart Redpath | Chief Financial Officer and Treasurer Donovan Shultz | 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.



James Perry


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.   



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.



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.   



William "Bill" Wood


Bill Wood was named DCI’s President in 2019 after serving in numerous roles since 1988 including Director of Internal Audit, Director of Operations, Secretary/Treasurer and Chief Financial Officer. Wood is a Certified Public Accountant and member of the American Institute of Certified Public Accountants and Tennessee Society of CPAs. He holds a Bachelor of Science in Accounting from Western Kentucky University. Wood is an active Tennessee Kidney Foundation Board Member, co-chairing its annual golf tournament.   



Ed Attrill

Executive Vice President | Corporate Secretary 

Ed Attrill’s professional career has helped to shape DCI into the largest dialysis nonprofit in the U.S. as Executive Vice President and Corporate Secretary 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.   



Donovan Schultz

Chief Financial Officer | Treasurer

Donovan Schultz’s DCI career has spanned various roles over the past 11 years, including Director of Internal Audit and Senior Operations Director. Schultz is a Certified Public Accountant, previously working for Deloitte & Touche’s external audits. He holds a Bachelor of Science in Accounting and a Master of Business Administration from Western Kentucky University.   



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.