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LSU Health New Orleans
Serena Auñón-Chancellor completed training in Internal Medicine and Aerospace Medicine and earned a Master of Public Health. After being selected as a member of the 20th NASA astronaut class, she spent 197 days on orbit during her mission aboard the ISS. She is considered to be an expert in extreme medicine as she has practiced in almost every environment both on and off the planet. She has also given keynote addresses and lectures at multiple universities worldwide as well as government agencies, including the Defense Intelligence Agency and the White House. She currently serves as Clinical Associate Professor of Medicine at LSU Health Sciences Center in Baton Rouge. She also serves as the UTMB Aerospace Medicine Residency Program Director and maintains an active role in the Astronaut Office. Her research interests include thrombosis in microgravity, radiation and the clinical effects on humans, and the major medical challenges facing astronauts during exploration class missions.
Tonya Jagneaux completed fellowship training in Pulmonary and Critical Care Medicine at LSU Health Sciences Center. She also completed a Master of Science in Clinical Informatics from Northwestern University in Chicago. She currently serves as the Chief Medical Informatics Officer for Our Lady of the Lake Regional Medical Center, is an Associate Professor Clinical Medicine for LSU Health Sciences Center in Baton Rouge, and holds a joint appointment as Associate Professor within the LSU College of Industrial Engineering. She completed Epic Physician Builder and Physician Builder: Analytics certificates. Her research interests include clinical informatics in quality and safety, predictive analytics in acute care, and advancing recognition and resolution of social determinants of health. She is currently pursuing a Master of Science in Analytics from LSU.
Bud O’Neal completed fellowship training in Pulmonary and Critical Care Medicine at Vanderbilt University where he also earned a Master of Science in Clinical Investigation. He is the Medical Director of Research for Our Lady of the Lake Regional Medical Center and an Associate Professor of Medicine at LSU Health Sciences Center in Baton Rouge. His research interests include the early diagnosis of sepsis and subsequent treatment. He is an active investigator in clinical trials, including industry-sponsored, NIH-funded, and investigator-initiated studies. In addition to serving as both local and national principal investigator, Dr. O’Neal is an active mentor to both trainees and faculty members in their research endeavors. He is also actively involved in research with LSU Sports Medicine.
Katie O’Neal completed fellowship training in Infectious Diseases at Vanderbilt University. She is the Chief Medical Officer for Our Lady of the Lake Regional Medical Center, Chief Medical Advisor for the Southeastern Conference, and an Associate Professor of Clinical Medicine at LSU Health Sciences Center in Baton Rouge. She is a national expert on the creation of systems and structures necessary for safe care in hospitals and safe plan in sports during the COVID-19 pandemic. In addition to her significant administrative responsibilities, she continues to actively practice medicine both in the outpatient clinic and with the LSU Infectious Diseases teaching service.
Chris Thomas completed Pulmonary and Critical Care Medicine training at Vanderbilt University Medical Center. Dr. Thomas’ clinical activities include supervising the LSU Pulmonary and Critical Care services at OLOL Regional Medical Center. He currently participates in both NIH-funded and industry-sponsored clinical trials as an investigator in collaboration with Bud O’Neal. His quality and research projects center on improved diagnostic accuracy of sepsis to facilitate best practice, evaluation of analgosedation and the ABCEF bundle in the critically ill, reducing the harms of hospital immobility, and integration of health equity metrics into quality reporting in collaboration with Tonya Jagneaux. Dr. Thomas serves as the Medical Director for System Quality and Patient Safety for FMOL Health System and the Chief of Quality and Patient Safety, Performance Improvement for OLOL. He serves on the executive committee and as moderator for the Catholic Health Association’s Clinical Quality Affinity group, and is the lead clinical faculty for the Patient Safety/Quality Scholars track at OLOL with a focus on improved serious safety event reporting and culture.
Jay Walker completed fellowship training in Pulmonary and Critical Care Medicine at LSU Health Sciences Center. He spent more than a decade in private practice before returning as clinical faculty, and currently serves as Assistant Professor of Clinical Medicine for LSU Health Sciences Center in Baton Rouge. He leads the LSU Critical Care Medicine teaching services at Our Lady of the Lake Regional Medical Center. He completed Epic Physician Builder and Physician Builder: Analytics certificates and works to improve care delivery and patient safety. He currently participates in both NIH-funded and industry-sponsored clinical trials as an investigator under the direction of Bud O’Neal and Chris Thomas. His research interests include medical education, curriculum development, medical informatics, and sepsis.
Tiffany Ardoin completed training in Internal Medicine at LSU in Baton Rouge, and currently serves as Assistant Professor of Clinical Medicine at LSU Health Sciences Center in Baton Rouge. She is the president of the American Heart Association Capital Area Chapter. She is the clinical director of the Geaux Get Healthy Clinical Program at Our Lady of the Lake North Baton Rouge Clinic, connecting food insecure community members to cooking and nutrition classes and grocery stores tours. She links LSU patients to community resources by participating in the mayor's HealthyBR Initiative as a representative of LSU Health, and sits on the OLOL SDOH Workforce Committee. She is very active in the Applied Theory in Clinical Medical Education Elective for medical students and has a special interest in newer educational methods including Problem Based Learning. Her research interests include preventative medicine and social determinants of health. She studies effective forms of patient education regarding a healthy diet in vulnerable populations.
Vince Cataldo completed fellowship training in Hematology and Medical Oncology at the MD Anderson Cancer Center, and currently serves as Clinical Associate Professor of Medicine at LSU Health Sciences Center in Baton Rouge. He is the Section Chief of the Our Lady of the Lake Physicians Group, as well as an adjunct faculty with Tulane University and the LSU Department of Physics and Astronomy. He currently participates as the principal investigator in both university-funded and industry-sponsored clinical trials.
Jeff Chancellor completed a doctorate in Applied Physics at Texas A&M. He currently serves as both Assistant Professor in the Department of Physics and Astronomy at LSU in Baton Rouge and Adjunct Assistant Professor in the Department of Preventive Medicine and Population Health at University of Texas Medical Branch in Galveston. His research interests include the interaction of radiation with soft and condensed matter for manned spaceflight vehicle structure, shielding, and clinical healthcare. He has multiple active research grants and has completed work for both governmental and private space agencies, including NASA and SpaceX, and is an active educator and lectures on human performance in space, radiation biology, and radiation detection and instrumentation. He currently leads the Space Radiation Transport and Applied Nuclear (SpaRTAN) Physics Group at LSU.
Carl Giffin completed training in Internal Medicine at LSU in Baton Rouge, and currently serves as Assistant Professor of Clinical Medicine at LSU Health Sciences Center in Baton Rouge and Assistant Program Director for the Internal Medicine Residency Program. In addition to supervising residents and medical students, Carl maintains an active outpatient clinic and coordinates the resident Simulation Lab curriculum. His area of clinical interest is the management of hypertension in patients at high risk for cardiovascular events. He leads the local charge with IMPACTS (Implementation of Multifaceted Patient-Centered Treatment Strategies for Intensive Blood Pressure Control) as a collaboration of 36 primary care clinics in the south which will test the effectiveness of a multifaceted approach for intensive BP treatment, and the acceptability, adoption, feasibility, and sustainability in populations with health disparities, as well as assessing any slowing of cognitive decline.
Emily Johnston earned a Doctor of Pharmacy from Xavier University in New Orleans. Following general pharmacy residency, she completed additional training in Critical Care Pharmacy at Prisma Health Richland in Columbia, South Carolina. She currently serves as a critical care clinical pharmacist at Our Lady of the Lake Regional Medical Center in Baton Rouge and is instrumental to the education of learners on the LSU ICU teaching service. She is currently the OLOLRMC Critical Care residency Program Director and serves as a residency preceptor. She also serves as adjunct faculty for LSU Health Sciences Center.