Speakers

Daniel Brenner completed his MD/PhD in neuroscience at Washington University and residency training in emergency medicine at the Johns Hopkins Hospital before joining the faculty at Indiana University School of Medicine in 2021. In 2025, he became the program director of the advanced emergency medicine ultrasound fellowship at Indiana University. He is a clinician-educator working at Eskenazi and Methodist Hospitals who does research as a side hobby with interests in point-of-care ultrasound, non-opioid pain management, evidence-based medicine, graduate medical education and ECG interpretation.

Geoffrey Hays, MD, is an assistant professor of clinical emergency medicine and pediatrics and has been a faculty member at IU since 2018. He graduated from Creighton University School of Medicine in 2013 and completed his combined residency training in emergency medicine and pediatrics at IU School of Medicine in 2018. He works clinically at Methodist Hospital and Riley Children's Hospital. He serves as program director for the combined Emergency Medicine/Pediatrics program. His clinical interests include residency and curriculum development, medical education and evidence-based medicine.

Outside of work Dr. Hays enjoys cooking, travel and spending time with friends and family.

Benton Hunter, MD, is a 2007 graduate from the IU School of Medicine Emergency Medicine Residency program and has been faculty with IU since then. He is a professor of emergency medicine with tenure. He has served as an associate editor for New England Journal of Medicine's Journal Watch, a writer for the American Board of Emergency Medicine (ABEM) Key Advances series, a decision editor for Academic Emergency Medicine and an NFL sideline physician. His research, publishing and teaching interests include a wide range of topics, including evidence-based medicine and systematic reviews, cardiac arrest, acute stroke care, sepsis and cardiovascular disorders. In his free time, he enjoys being with family and friends, scotch, red meat and games of chance.

Dr. Jeffrey Kline received his MD from the Medical College of Virginia and then did an emergency medicine residency followed by a research fellowship at the Carolinas Medical Center. He now serves as associate chair of research and Brooks Bock Chair of Emergency Medicine at Wayne State University School of Medicine. He is the present editor-in-chief of Academic Emergency Medicine.

His diagnostic research interests focuses on the diagnosis and treatment of venous thromboembolism in the emergency care setting, and mentoring physician-scientists in emergency care. Kline created a decision rule to aid in the bedside exclusion of pulmonary embolism, known by emergency practitioners as the PERC rule for adults, and recently, children. His other primary research effort is the creation and oversight of the national Respiratory Virus Laboratory Emergency Department Network Surveillance (RESP-LENS), funded by the Centers for Disease Control. A primary research goal of RESP-LENS is to determine the strength of association between acute viral infections with new or recurrent venous thromboembolism.

Daniel O’Donnell, MD, is currently on the faculty at Eskenazi Hospital. He completed his emergency medicine residency at IU School of Medicine in 2007 and EMS fellowship in 2008. In June 2019, Dr. O'Donnell was appointed chief of Indianapolis Emergency Medical Services (EMS). Previously, Dr. O'Donnell served as the medical director for Indianapolis EMS and the Indianapolis Fire Department. Dr. O'Donnell also serves as the medical director for the Indianapolis Metropolitan Police SWAT team. Additionally, Dr. O'Donnell is the chief of the Division of EMS as well as the fellowship director for the IU School of Medicine EMS Fellowship.

Cami Pfennig, MD, is a graduate of Marquette University and Indiana University School of Medicine and is the inaugural program director of the Prisma Health Greenville residency (formerly the Greenville Health System) that started in July of 2017. She also serves as the faculty director of the colleges at the University of South Carolina School of Medicine Greenville. Following her chief residency at IU, Dr. Pfennig completed the ACEP teaching fellowship and then obtained her masters of health professions education from Vanderbilt University. Prior to the transition to Greenville from Nashville, Dr. Pfennig was the director of undergraduate medical education and an emergency medicine physician in the Department of Emergency Medicine at Vanderbilt University. Dr. Pfennig’s academic interests include student and resident education, curriculum development and instructional design, obstetrical emergencies and electrolyte-related emergencies.

Dan Rusyniak, MD, is the chief medical officer at Eskenazi Health, where he leads clinical quality, safety, physician engagement and patient care effectiveness. Associated with Eskenazi Health and IU School of Medicine since 1999, he has served in multiple leadership roles including vice chair for faculty development, chief of the Division of Medical Toxicology and medical director of the Indiana Poison Control Center. He was also secretary of the Indiana Family and Social Services Administration (FSSA), where he worked to improve equity and access across health and human services. A practicing emergency physician, Dr. Rusyniak has received numerous honors, including the Sagamore of the Wabash, the Indiana Distinguished Service Medal and the State Health Commissioner Award. He holds degrees from Villanova University, Wake Forest University School of Medicine and completed his residency and fellowship at IU School of Medicine.

Jerry W. Snow, MD, FAAEM, FACMT, FASAM, is a clinical associate professor of emergency medicine and internal medicine at the University of Arizona College of Medicine–Phoenix and program director of the medical toxicology fellowship, with expertise in emerging drug trends, overdose management, envenomation and addiction medicine.

Jennifer Sullivan, MD, MPH, is lead for national service lines at Advocate Health, overseeing clinical operations and strategy for the cancer, heart and vascular, and neurosciences service lines as part of the REWIRE 2030 transformation strategy. She also serves as a principal investigator for the PCORI Health System Implementation Initiative, aligning care delivery with the goals of an academic learning health system. Previously, she was senior vice president of strategic operations at Atrium Health and served as Indiana’s secretary of family and social services under Governor Eric Holcomb, following roles as deputy state health commissioner and director for health outcomes. A professor of clinical emergency medicine and pediatrics at Wake Forest University School of Medicine and adjunct professor at IU, Dr. Sullivan continues to practice at Levine Children’s Hospital. She has been recognized with numerous awards for her leadership and impact in health policy and is an Aspen Institute global health innovator and women of impact fellow.

Lindsay Weaver, MD, FACEP, was reappointed as Indiana state health commissioner in 2025, where she leads efforts to advance public health through prevention-focused, data-driven initiatives such as Health First Indiana. A practicing emergency physician and assistant professor of clinical emergency medicine at Indiana University School of Medicine, she also serves at Methodist Hospital. Dr. Weaver previously served as chief medical officer for the Indiana Department of Health, playing a pivotal role in the state’s COVID-19 response, including testing and vaccine distribution. She holds degrees from the University of Kentucky and the University of Louisville, with specialized training in emergency medicine, hospice and palliative care and medical ethics.