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John E. Phillips, FACHE
Methodist Dallas Medical Center

John E. Phillips, FACHEJohn Phillips, FACHE, serves as president of Methodist Dallas Medical Center.

Since stepping into the role in 2018, Phillips has guided the hospital through accomplishments including recruitment of additional medical staff members to meet the growing needs of the hospitals service area, further development of the Da Vinci minimally invasive surgical program, established the MHS Extracorporeal Membrane Oxygenation (ECMO) Program and numerous hospital expansion and renovation projects providing the hospital’s patients access to high-quality healthcare services. Under his direction, Methodist Dallas has received accreditations as an American Nurses Credentialing Center Magnet Facility, Level I Trauma re-designation and Level III maternal and neonatal intensive care designation.

John has been a member of the Methodist Health System family since 2011. John served seven years as president of Methodist Mansfield Medical Center, a 254-bed non-profit acute care hospital. Under his leadership in Mansfield, the hospital achieved Magnet designation for excellence in nursing and opened the $118 million Amon G. Carter Foundation Heart and Vascular Center as well as a new patient tower and $11.8 million professional office building.

Prior to joining Methodist, Phillips served as Chief Operating Officer at CHRISTUS St. Michael Health System in Texarkana and Chief Operating Officer at Davis Regional Medical Center in North Carolina.

Phillips earned a Bachelors in Physical Therapy from UT Southwestern, an MBA from Hardin-Simmons University and a Master of Health Care Administration from Trinity University. Outside of his role at Methodist Dallas, John, his wife, and two children enjoy family vacations, hiking, and traveling.

Barbara Madson Madden, MSN, RN
Vice President, Chief Nursing Officer
Methodist Dallas Medical Center

Barbara MaddenBarbara Madden, MSN, RN, is a driven clinical leader with over 22 years of experience in acute inpatient and outpatient services. She began her career at Methodist Dallas in 1985 as a staff nurse in acute medical-surgical.

Barbara holds a Bachelor of Science in nursing from St. Olaf College in Northfield, Minnesota, and a Master of Science in nursing from the University of Texas at Arlington. After serving as a staff nurse for six years, Barbara earned several promotions including critical care educator, manager of the surgical/trauma intensive care unit, and director of nursing for adult critical care services. She held this latest leadership role for 19 years until her recent promotion to vice president, chief nursing officer.

Kevin P. Vaughn, MBA
Vice President of Finance
Methodist Dallas Medical Center

Kevin VaughnKevin Vaughn is Vice President of Finance of Methodist Dallas Medical Center. Prior to joining Methodist Dallas, Kevin served as the Chief Financial Officer of Kansas Spine & Specialty Hospital in Wichita, KS for nine years. Previously, Kevin also held the position of Controller at St. Vincent Health System and worked in Finance and IT at St. Therese Medical Center.

In total, Kevin has more than thirty years of experience within the healthcare industry. Kevin graduated from North Central College in 1982 with a double major in Business Administration and Computer Science. He received his Master of Business Administration from Lake Forest Graduate School of Management in 1994.

Tracy Giacoma, MSN, MBA, RN, FACHE
Vice President Transplant Services
Methodist Dallas Medical Center

Tracy GiacomaTracy Giacoma, MSN, MBA, RN, FACHE, is Vice President of Transplant Services at Methodist Dallas Medical Center. Tracy has worked in the field of transplantation for more than 30 years, first working as a staff nurse caring for kidney transplant patients. She was employed by the academic institutions of Indiana University Hospital/Riley Hospital for Children/ Methodist Hospital for 19 years with 11 of those years as Director, Transplant Services at all 3 hospitals. She was first recruited to Methodist Dallas in 2000 as the Administrative Director, Transplant Services to expand kidney transplant services and initiate the liver transplant program which performed the first liver transplant in 2003. After leaving in 2008, to join the academic institutions of Baylor College of Medicine and The University of Kansas Hospital, Tracy returned to Methodist Dallas in 2014 to lead Transplant Services which includes The Liver Institute, The Transplant Institute and the Methodist Transplant Specialists Group practice.

Tracy has received multiple awards for her contributions to the field of transplantation from multiple local and national organizations, including the United Network for Organ Sharing’s 2015 Deedle Heckenkemper Leader in Transplant Administration Award. In addition, she also devotes a lot of her private time to volunteer and community groups, and has served on the Board of Directors of the Southwest Transplant Alliance and the Indiana Organ Procurement Organization. A strong believer in education and clinical research, Tracy has held Faculty appointments at the University of Kansas Medical Center, the University of Texas at Arlington, and Indiana University; and published a number of scientific articles in medical journals and textbooks. Among her many credentials, Tracy holds a Bachelors of Science in Nursing from the University of Indianapolis in Indianapolis, IN, and Master of Science in Nursing and a Master of Business Administration from Indiana University in Indianapolis, IN.

Leslie Cler, MD, FACP, CPE
Chief Medical Officer
Methodist Dallas Medical Center

Leslie ClerLeslie Cler, MD, FACP, CPE, is Chief Medical Officer (CMO) of Methodist Dallas Medical Center. Dr. Cler has been a practicing physician with Methodist Dallas Medical Center since 2010. He graduated from Texas Tech University in 1996 and later earned his medical degree from the University of Texas Southwestern Medical Center (USTW) in 2006. He then completed a three-year residency in Internal Medicine at UTSW and subsequently practiced as an internist in central Texas for a short time. Desiring to return to an academic setting in Dallas, he then joined as Internal Medicine Residency faculty at MDMC.

While at Methodist Dallas, Dr. Cler has had the opportunity to serve as chair of the Pharmaceuticals and Therapeutics Committee, Opioid Stewardship Committee, co-chair of a system-wide Sepsis Committee for several years, and co-owner of a previous system-wide Physician Wellness Committee amongst numerous other committees with which he has been and is involved. He has continued to provide bedside care to patients as a hospitalist and remains an active member of the Internal Medicine core faculty, regularly teaching and attending on internal medicine wards. He is also the MDMC site clerkship director for UTSW students rotating at MDMC. He has been the Utilization Management Medical Director for the Methodist Health System since 2013. Dr. Cler is a Fellow of the American College of Physicians (FACP) and a member of AOA, the Society of Hospital Medicine, the Dallas County Medical Society and other medical professional societies. He is also a Certified Physician Executive (CPE), a certification awarded by the American Association for Physician Leadership.

Arturo Herrera III
Vice President of Operations
Methodist Dallas Medical Center

Benson ChackoArturo Herrara III, is Vice President of Operations of Methodist Dallas Medical Center.

Arturo spent much of his professional healthcare career at Methodist Dallas. Prior roles include Director of Physician Development, Director of Neuroscience and Orthopedic Service Lines and Assistant Vice President of Operations. Arturo’s introductory role at Methodist Dallas was through the Administrative Residency program.

Arturo graduated from Rice University with a Bachelor of Business Administration in Policy Studies and Philosophy. He received his Master of Science from Trinity University with a focus on Health Care Administration. Arturo prioritizes his commitments to the community by maintaining his position as a board member of Bishop Dunne Catholic School, among other organizations.

Emily Buckley Dykes
Assistant Vice President of Operations
Methodist Dallas Medical Center

Emily DykesEmily Buckley Dykes is Assistant Vice President of Operations at Methodist Dallas Medical Center. Emily began her professional healthcare career as an Administrative Resident at Methodist Mansfield Medical Center. She was then hired to be a leader as the hospital’s Director of Cardiology Services. Emily has spent years developing strategic plans, managing day-to-day operations and guiding long-term projects to better Methodist Health System.

Emily graduated from Texas A&M University with a Bachelor of Science. She received her Master of Science in Health Care Administration from Trinity University. When not in the office, Emily spends time exploring new parks with her husband and young son.