Hospital Leadership
Kirk McCarty
Chief Executive Officer
Kirk McCarty has served as Chief Executive Officer for Research Medical Center since September 2024. He has been with HCA for several years serving in various roles and markets, most recently at Sky Ridge Medical Center in Lone Tree, Colorado, where he served as CEO for the past four years and as the facility's Chief Operating Officer for the six years before that. While leading Sky Ridge Medical Center, McCarty oversaw the growth of the hospital’s surgical program. During his tenure, the hospital launched its Center for Robotic Surgery and the International Center for Hip Preservation, advancing Sky Ridge as a destination surgical hospital in the region. Additionally, two departments were selected as the first and second top-rated Surgical Services Units of Distinction in all of HCA Healthcare. Under McCarty’s leadership, Sky Ridge earned numerous quality awards — including being named among Healthgrades’ Top 100 Hospitals nationwide. He earned his bachelor's degree in nursing from Truman State University and his Master of Science in Nursing from the Research College of Nursing. He is also a graduate of HCA Healthcare's Chief Nursing Development Program.
Julian Yang, MD, MBA
Chief Medical Officer
Julian Yang has served as Chief Medical Officer at Research Medical Center since August 2023. Before his career with HCA, Julian served for four years as the Chief Medical Officer at Ascension Saint Thomas Rutherford, in Tennessee. Prior to that, he was a practicing faculty physician in neurocritical care at Duke University Hospital in Durham, North Carolina and also served as the service line medical director for Neurosciences. He earned his bachelor’s degree and medical degree from the University of Southern California. He also earned his MBA from Fuqua School of Business at Duke University.
Sam Maxfield
Chief Financial Officer
Sam Maxfield has served as Chief Financial Officer at Research Medical Center since October 2024. He has over 12 years of experience in finance and accounting, mostly in the healthcare space. Prior to coming to RMC, he served as the CFO for Banner Boswell & Del Webb Medical Center in Phoenix, Arizona. He earned his Bachelor of Science in Accountancy from Brigham Young University and his Master of Science in Accountancy from Arizona State University.
Jessica Marin, MBA
Chief Operating Officer
Jessica Marin, who was born and raised here in Kansas City, has served as Chief Operating Officer at Research Medical Center since October 2022. She brings diverse operational experience that she’s gained over the last several years at various HCA Healthcare facilities, including within HCA Midwest Health. She most recently served as COO of Summerville Medical Center, part of HCA Healthcare’s Trident Health System, in Summerville, South Carolina. Prior to that role, Jessica served as Vice President of Operations for St. David’s South Austin Medical Center, where she oversaw various key service lines. Before joining St. David’s, Jessica spent six years at Menorah Medical Center in Overland Park, Kansas, serving first as Director of Business Development and then as Administrative Director of Operations. She earned a bachelor’s degree in microbiology from the University of Kansas and an MBA with a concentration in healthcare administration from Avila University.
Julie Filbeck, RN, MSN
Chief Nursing Officer
Julie Filbeck has served as Chief Nursing Officer for Research Medical Center since April 2021. Julie has spent the past eight years in various leadership roles within HCA Midwest Health, including serving as the Division Vice President of Nursing Operations, Assistant Chief Nursing Officer for Centerpoint Medical Center and Director of Critical Care for Lee’s Summit Medical Center. Prior to joining HCA Midwest Health, Julie served as a bedside nurse and advanced into nursing leader roles at other Kansas City area health systems. Julie earned a bachelor’s degree in nursing from Graceland University in Independence, Missouri, and a master’s degree in nursing with an emphasis in healthcare administration from MidAmerican Nazarene University in Olathe, Kansas.
Yvonne Brewington
Vice President, Human Resources
Yvonne Brewington has served as the Vice President for Human Resources for Research Medical Center since March 2021. She has been with HCA Midwest Health for more than 25 years, first starting at Menorah Medical Center in Overland Park, Kansas, as an administrative assistant. She has served in various roles since then, including Human Resources Coordinator and Director of Human Relations for Belton Regional Medical Center. She earned a bachelor’s degree in business management from Missouri Western University and master’s degree in human resources management from Webster University.
Shannon Griggs-Failes
Chief Operations Officer, Research Psychiatric Center
Shannon Griggs-Failes has served as Chief Operations Officer of Research Psychiatric Center, a 100-bed psychiatric facility that operates alongside Research Medical Centers’ Emergency Room, since 2017. Over the past 12 years, Shannon has served in various leadership roles within HCA Midwest Health. Prior to her current roll as at RPC, she was the Vice President of Operations and Vice President of Surgical Services at Research Medical Center and the Business Development Director for Lee’s Summit Medical Center. Prior to joining HCA Midwest Health, Shannon spent 18 years working in pharmaceutical sales. She earned a bachelor’s degree in marketing and logistics from the University of Missouri-Kansas City and a master’s degree in hospital services administration from the University of Kansas.