Jay deVenny, FACHE

Chief Executive Officer, Medical City Children's Hospital and Medical City Women's Hospital Dallas

Jay deVenny, FACHE, was named chief executive officer of Medical City Children’s Hospital and Medical City Women’s Hospital Dallas in January 2022. Previously, he served as chief development officer and vice president of business development at Medical City Dallas since December 2013. He has led development initiatives of services at Medical City Children’s Hospital including a world-class congenital heart program, pediatric oncology, pediatric orthopedics and trauma. In addition, he supported physician partnerships at Medical City Women’s Hospital Dallas. 

Prior to joining Medical City Healthcare, deVenny held several roles in administrative and business development within the North Texas healthcare industry.

deVenny holds a Master of Business Administration in Health Services Management from the University of North Texas and a Bachelor of Science in Communication Studies from the University of Kansas and is a Fellow of the American College of Healthcare Executives (FACHE). He serves as a board member for Camp iHope and the North Dallas Chamber of Commerce.

Skyler Reed, FACHE

Chief Operating Officer

Skyler Reed has served as COO of Medical City Dallas since December 2022. He provides leadership and direct administrative oversight of several procedural and ancillary services, strategic planning, business development and project management related to service line growth, improvements in patient care and patient and physician satisfaction.

Reed previously served as COO and facility ethics and compliance officer at Medical City Arlington. During that time, he provided executive-level leadership for surgical services, cardiovascular services, interventional neurology, inpatient rehab and several ancillary departments and led strategic planning and business development initiatives. Additionally, he helped secure funding and operationalized more than $130M in capital investments, including a new patient tower, surgical services expansion, medical office building development and a seven-story parking garage.

Reed has served over a decade with HCA Healthcare, including a role as the COO for St. David’s Georgetown Hospital, associate COO at St. David’s South Austin Medical Center and administrative resident with St. David’s Healthcare.

Reed is a Fellow of the American College of Healthcare Executives. He earned a Master of Science in Health Care Administration from Trinity University and a Bachelor of Science in Health Services Administration from Auburn University.

Joyce Soule, DNP, RN, NEA-BC, CNOR

Chief Nursing Officer, Medical City Dallas

Joyce Soule, DNP, RN, NEA-BC, CNOR, joined Medical City Dallas as Chief Nursing Officer in August 2017 with more than 20 years of nursing experience.

Prior to joining Medical City Dallas she served as Chief Nursing Officer at Wesley Medical Center in Wichita, Kansas, where she also oversaw Wesley Woodlawn, a community hospital, two off-campus emergency departments and hospital-based clinics. Joyce improved patient satisfaction scores, along with reducing-sepsis during her tenure with the organization.

Previously, she was Vice President of Surgical Services at Medical City Dallas and served in director positions at Medical City Arlington and Texas Health Harris Methodist Hurst-Euless-Bedford Hospital.

Soule earned a Master of Science in Nursing Healthcare Administration and a Bachelor in Nursing from Graceland University in Independence, Missouri. She recently completed her Doctor of Nursing Practice (DNP) degree. She is a certified perioperative nurse and holds an advanced nursing executive board certification.

Tabitha South, DNP, RN, NE-BC, CCFP

Chief Nursing Officer, Medical City Children's Hospital and Medical City Women's Hospital Dallas

Tabitha South, MSN, RN, NE-BC

Tabitha South, DNP, RN, NE-BC, CCFP, has served as the Chief Nursing Officer at Medical City Children’s Hospital and Medical City Women's Hospital Dallas since November 2022. She helps lead service lines, including congenital heart, neonatal and pediatric services and women’s services. She also works closely with the chief nursing executive at Medical City Dallas to build cross-hospital partnerships in nursing leadership and the hospital nurse executive council.

South was an Assistant Chief Nursing Officer at Medical City Dallas from April 2022 to October 2022. Before that, she was Assistant Chief Nursing Officer at Medical City Plano since 2017. With her collaborative leadership, Medical City Plano opened the first Sarah Cannon Cancer Hospital tower in Texas, launched the ECMO program, attained numerous service line designations and accreditations, and achieved HCA Unit of Distinction in nine nursing units. She also led the redesignation process for Medical City Plano’s 4th Magnet designation and Medical City Frisco’s 2nd designation.

South is a graduate of the HCA Executive Development Program and has been recognized as a DFW Great 100 Nurse and a recipient of the D Magazine Nurse Excellence Award. She earned her Doctorate of Nursing Practice from University of Texas at Arlington, and her Master of Science in Nursing and Bachelor of Science from Texas Tech University and her Associate Degree in Nursing from Collin College.

Alan Harmatz, MD

Chief Medical Officer

Alan Harmatz, MD, is chief medical officer (CMO) of Medical City Dallas, where he oversees quality, patient safety, risk management, infection prevention and medical staff services. In this role, he also provides clinical direction to physicians and clinicians at Medical City Children’s Hospital, Medical City Heart Hospital and Medical City Spine Hospital.

Dr. Harmatz served previously as CMO for HCA Healthcare’s Florida Brandon Hospital, where he advanced patient safety, helped grow hospital services and improved physician engagement. Among his accomplishments was developing a software program to reduce medical complications — a system that is now used at HCA Healthcare hospitals across the country. He has extensive disaster response and recovery experience, having guided the Florida hospital through multiple hurricanes and the COVID-19 pandemic.

Board-certified in plastic surgery, Dr. Harmatz earned a Doctor of Medicine from New York Medical College and graduated summa cum laude with a Bachelor of Science in Biology from Pace University in New York. He completed a general surgery residency at Maine Medical Center in Portland and a plastic and reconstructive surgery fellowship at Dartmouth-Hitchcock Medical Center in New Hampshire.

Scott Anderton

Chief Financial Officer

Scott Anderton joined Medical City Dallas as chief financial officer in April 2022. In this role, Anderton oversees finance and accounting functions for Medical City Dallas, Medical City Children's Hospital, Medical City Women's Hospital Dallas, Medical City Heart Hospital and Medical City Spine Hospital.

Previously, Anderton served as CFO of HCA Healthcare's Doctors Hospital in Augusta, Georgia, since July 2020. He joined HCA Healthcare in 2010 as a staff auditor in the Internal Audit department moving into the hospital setting in 2016 as an assistant chief financial officer at HCA Healthcare's CJW Medical Center in Richmond, Virginia. In 2018, Anderton was promoted to chief financial officer of HCA Healthcare's Coliseum Health System, a 413 bed, multi-campus health system in Macon, Georgia.

Anderton holds a Master of Accountancy and a Bachelor of Science in Accounting from the University of Alabama.

Spencer Turner, FACHE

Chief Development Officer

Spencer Turner, FACHE, joined Medical City Dallas as chief development officer in May 2022.  In this role, Turner is responsible for the development of key services, strategy creation and implementation and the support of physician partnerships.

Previously, Turner served as president of a Flower Mound hospital for 11 years and a hospital in Carrolton for eight years.

Turner holds a Master of Healthcare Administration from Trinity University, a Bachelor of Health Care Administration from the University of Texas Southwestern Medical School, a Certificate in Accounting and Finance from the Cox School of Business at Southern Methodist University, and is a Fellow of the American College of Healthcare Executives (FACHE). Turner proudly serves as a board member for the Denton County United Way and Pedi Place of Lewisville.

Gabby Underwood, MS, BSN, RN, CPHQ

Vice President of Quality and Patient Safety

Gabby Underwood joined Medical City Dallas and Medical City Children’s Hospital as Vice President of Quality and Patient Safety in December 2020.

Underwood has over 25 years of healthcare experience. She previously served as the VP of Quality and Patient Safety at Medical City Fort Worth. There, she led a team who successfully implemented various quality improvement protocols and initiatives during her tenure which have led to vast improvement in quality rankings, metrics and overall patient safety. During her tenure, she achieved many notable accomplishments including: a Leapfrog Grade A Safety Rating for four consecutive quarters – only one in Fort Worth medical district; 14 months consecutively of top decile performance for complications and mortality; successful quality reaccreditation surveys including Comprehensive Stroke Certification, Chest Pain and Spine Surgery; and increased compliance rates for Enhanced Surgical Recovery process in conjunction with surgical services.

Underwood holds a Master of Science in Management from Texas A&M University and a Bachelor of Science in Nursing from the University of Texas at Arlington.

Mary Beth Short

Vice President of Human Resources

Mary Beth Short was named Vice President of Human Resources at Medical City Dallas, Medical City Children’s Hospital, Medical City Women’s Hospital Dallas, Medical City Heart Hospital and Medical City Spine Hospital in July 2021. She brings more than 20 years of human resources experience, including more than 16 years in healthcare human resources to her position.

Short previously served as Vice President of Human Resources at Medical City Arlington, Medical City Alliance and Medical City North Hills. Prior to joining Medical City Healthcare, Mary Beth held human resources leadership positions at Medsynergies, Texas Health and Baylor Health Care System.

Short is a Navy veteran. She earned a Bachelor of Science in Business Studies, Human Resources Management from New Hampshire College and a Master of Business Administration from Texas Woman’s University.

Rick Plunk

Vice President of Operations, Medical City Dallas

Rick Plunk joined Medical City Dallas in May 2004 as Director of Respiratory Care. Throughout his tenure with Medical City Dallas, he advanced to Vice President of Neurosciences in 2007 and to Vice President of Operations in 2010. Plunk joined the Senior Leadership Team in 2010, and has served as Interim Chief Operating Officer multiple times and as Vice President of Operations. He provides oversight for all Medical City Dallas operational departments.

Previously, Plunk served as the Administrative Director for Respiratory Care, Cardiology and Rehabilitation for a Tenet Health Care facility in Dallas, Texas. Plunk earned his Master of Business Administration from Amberton University in 2002.

Neyaz Mohammadi

Assistant Administrator, Medical City Dallas

Neyaz Mohammadi

Neyaz Mohammadi is the assistant administrator at Medical City Dallas since December 2021. 

Previously, she served as a Medical City Healthcare administrative resident since January 2021. During her tenure, she has played an integral part in the analysis and execution of several significant facility and division-wide initiatives and gained valuable experience with strategy, operations, data analytics and business development at Medical City Plano, Medical City Arlington, Medical City Dallas, and the Medical City Healthcare Division Office. 

Mohammadi holds a Master of Science in Health Care Administration from Trinity University. In addition, she holds a Master of Science in Medical Sciences from University of North Texas Health Science Center and a Bachelor of Science in Neuroscience from Trinity University.