Chris Mowan, MBA, FACHE

President and Chief Executive Officer

Chris Mowan joined Medical City Dallas as President and Chief Executive Officer in July 2016. Previously, Chris served three years as CEO of MountainView Hospital, a complex teaching hospital in Las Vegas, Nevada. During his tenure at MountainView, he oversaw a $90 million facility expansion, achieved unprecedented ER growth and launched graduate medical education programs.

Chris’ career with HCA spans more than 20 years, starting with roots as a Medical City Healthcare division manager to roles as COO at Del Sol Medical Center in El Paso and as COO at Sunrise Medical Center and Children’s Hospital in Las Vegas, which was ranked as the #1 facility in Nevada by U.S. News & World Report under his leadership.

Chris is a graduate of Indiana University and holds a master’s degree in business administration from Southern Methodist University. He is a Fellow of the American College of Healthcare Executives. Chris lives in Dallas with his wife, Natalie, and two daughters, Chloe and Ashley.

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

Chief Nursing Officer

Joyce Soule, MSN, RN, CNOR, NEA-BC, 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 has 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.

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

Joyce resides with her husband, Greg. They have four adult daughters, three off whom live in the DFW area. Joyce and Greg have four granddaughters and two grandsons, all whom reside in the DFW area. When not at work, she enjoys spending time with family and friends.

John Lazenby, MD

Chief Medical Officer

John Lazenby

John Lazenby, MD, was named Chief Medical Officer of Medical City Dallas, Medical City Children’s Hospital, Medical City Women’s Hospital, Medical City Heart Hospital and Medical City Spine Hospital in June 2020.

He previously served as CMO of Memorial Hospital in Jacksonville, Florida. During his tenure, he provided leadership to the medical staff and oversaw several quality, clinical performance and service initiatives throughout the hospital.

Prior to joining HCA Healthcare, John spent five years at University of Alabama Birmingham Hospital where he served as Assistant Chief Medical Officer and Associate Professor of Medicine. Prior to joining the team at UAB, he spent 12 years in private practice in both Arkansas and Georgia.

Lazenby is board Certified in Pulmonary Disease and Critical Care Medicine. He earned his medical degree from the University of Arkansas and a master's degree in business administration from Auburn University. He has served as the Chief Executive Officer of his medical practice as well as the Chief Medical Information Officer of an acute care medical and surgical hospital. He is also a Fellow of the American College of Chest Physicians as well as a member of the American Association for Physician Leadership.

Melissa McLeroy, MBA

Chief Financial Officer

As CFO, McLeroy oversees all financial activities, including accounting and budgeting, along with operational strategies, such as forecasting, trends and planning.

McLeroy most recently served as Chief Financial Officer at Medical City Plano and Medical City Frisco. She oversaw financial performance during a significant growth period at Medical City Plano, including a new neurology tower, an expanded operating room, the addition of inpatient rehabilitation services and emergency room renovations, along with acquisition of Medical City Frisco.

Previously, she served in roles at Medical City Dallas from 2002 until 2014 as Vice President of Finance, Controller, Assistant Controller and Senior Financial Analyst.

Melissa earned a bachelor’s degree from Dallas Baptist University and a Master of Business Administration degree from Texas Woman's University.

Jay deVenny, FACHE

Chief Development Officer

Jay deVenny, FACHE, is the Chief Development Officer at Medical City Dallas. In this role, Jay supports all service line strategic development and coordinates the strategic planning process while integrating hospital operations and affiliation development. His leadership has strengthened multiple tertiary service lines including neurosurgery, orthopedics, heart and vascular, GI, oncology, bariatrics and transplantation.

Prior to joining Medical City, Jay spent seven years leading various administrative and business development roles within Baylor Health Care System. He served as director of professional services at Baylor Regional Medical Center at Plano from 2008 through 2013, where he grew scoliosis, orthopedic oncology, weight loss surgery and pain management service lines. Additionally, he opened satellite scoliosis clinics in Fort Worth and Fort Lauderdale, Florida. Jay also served as a marketing and public relations consultant and administrative resident at Baylor Regional Medical Center at Plano, championing business development and operational initiatives.

Jay holds a Bachelor’s in Communication Studies from University of Kansas, a MBA in Health Services Management from University of North Texas and is a Fellow of the American College of Healthcare Executives (FACHE).

Jay enjoys spending time with his wife, Betsy, and two children, Hunter and Harper. He enjoys playing golf and traveling with his family.

Josh Kemph, MHA, ACHE

Chief Operations Officer

Josh Kemph is the Chief Operating Officer of the new Medical City Heart Hospital and Medical City Spine Hospital, set to open Fall 2019. He previously served the same role at at Medical City Lewisville and Medical City Las Colinas.

Before coming to North Texas, Josh was the Associate Chief Operating Officer at HCA Healthcare's HealthONE Swedish Medical Center in Colorado. During his tenure at Swedish Medical Center, Josh was instrumental in executing strategies to drive product line development in the key specialty service lines of orthopedics and oncology rehabilitation.

Josh began his career with HCA Healthcare in 2009, and he served at two HCA facilities in Nashville as well as HCA's corporate office before his position in Colorado.

Josh received a Bachelor of Business Administration in 2008 and a Master of Healthcare Administration in 2010, both from Austin Peay State University in Clarksville, Tennessee. He is a member of the American College of Healthcare Executives (ACHE).

Jennifer Morris

Vice President of Human Resources at Medical City Dallas

Jennifer Morris serves as Vice President of Human Resources at Medical City Dallas. She began her HCA Healthcare career as a recruiter at Medical City Plano in 2001. In 2008, Jennifer was promoted to Manager of Recruitment and Employment, and in 2011, she was named Manager of Human Resources. She then served as Director of Human Resources at Medical City Arlington and was later promoted to Vice President of Human Resources. Jennifer returned to Medical City Plano in 2016 where she was named Vice President of Human Resources of Medical City Plano and Medical City Frisco, and additionally in 2018 Vice President of Human Resources of Medical City Green Oaks.

Jennifer earned her Bachelor of Arts in English and Psychology from Truman State University, and her Master of Arts in Organizational Management and Human Resources Management from Dallas Baptist University. She served as a board member and president of Dallas-Fort Worth Healthcare Human Resources Association.

Amy Svensson, RN, BSN, CCRN-K

Vice President of Clinical Excellence

Amy is a collaborative, results-driven nursing professional with more than 20 years of experience successfully leading quality performance improvement initiatives that improve patient safety.

Prior to joining Medical City Dallas, Amy served in multiple roles at St. Vincent’s Healthcare, Ascension Health in Jacksonville, Florida, since 2008. Formerly, she served as System Quality Manager, and most recently, System Infection Prevention Manager since 2016. In this role, she directed infection control policies, procedures and strategies. She also led initiatives that focused on the reduction of hospital acquired infections and conditions, preventable readmissions, length-of-stay and adverse events. Additionally, she spearheaded the development of high-level disinfection practices. Her efforts led to significant reductions in hospital acquired infections and healthcare associated harm.

Amy earned a Bachelor of Science in Nursing from the University of Miami in Florida, and is currently working toward a Doctorate of Nursing Practice from Jacksonville University.

Kyle Bryan

Associate Chief Nursing Officer and VP of Adult Patient Services

Kyle Bryan serves as the Associate Chief Nursing Officer and VP of Adult Patient Services of Medical City Dallas. He began his HCA Healthcare career as a critical care nurse in 2009. Since then, he has served in progressive leadership roles, including Assistant Vice President of Acute & Critical Care Services and ACNO of Medical City Lewisville. Kyle's leadership has been instrumental in driving record high employee engagement scores resulting in decreased turnover. His stewardship in patient experience tactics and expertise in coaching and developing leaders has consistently accelerated performance in patient perception of care.

Kyle earned a Bachelor of Science in Nursing from The University of Texas at El Paso and degrees in psychology and business from The University of Texas at Arlington. He has a Master of Science in Nursing Administration from Walden University. He is board certified in Executive Administration by the American Nurses Credentialing Center and is a graduate of HCA Healthcare's Executive Development Program.

Jennifer Ledbetter

Vice President of Operations

Jennifer Ledbetter is the Vice President of Operations for Medical City Heart Hospital and Medical City Spine Hospital. In this role, she oversees cardiovascular and spine service line development and operations. She joined Medical City Dallas in 2006 as a registered nurse in our Invasive Cardiac Lab. Since then, she has served in progressive leadership roles such as Manager of Invasive/Noninvasive Cardiology, Director of Cardiovascular Services, and was most recently the Assistant Vice President of Heart and Vascular Services.

In this role, she was responsible for Heart and Vascular operations, strategic planning, business development and physician collaboration. During this time, she successfully launched and managed the partnership between Medical City Dallas and Hunt Regional Medical Center, bringing lifesaving interventional cardiology services to Greenville and the surrounding communities northeast of Dallas.

Jennifer earned her Bachelor of Science in Nursing from West Texas A&M University and a Master’s of Science in Nursing from Western Governors University.

Carson Smith

Assistant Administrator

Carson Smith is the Assistant Administrator at Medical City Dallas. Previously, he served as a Medical City Healthcare Administrative Resident. He assisted with strategy, operations, throughput, data analytics and business development at Medical City Arlington, Medical City Fort Worth, Medical City Plano and Medical City Dallas. Carson holds a Master of Science in Health Care Administration from Trinity University, along with a Bachelor of Arts in Political Science, with minors in Business Management and Latin American Sciences, from University of Arkansas.