Dr. Alexander T. Limkakeng, Jr., MD, MHSc, FACEP is a Professor of Emergency Medicine, Vice Chair of Clinical Research, Director of the Acute Care Research Team in the Duke University School of Medicine in Durham, North Carolina.

As a researcher, Dr. Limkakeng has led multiple research efforts and is author on over 100 peer-reviewed manuscripts. These include studies in emergency conditions such as COVID-19, traumatic brain injury, hypertension, heart failure, thrombosis, stroke, envenomations, and septic shock.  He has led Duke’s involvement in NIH-funded research networks as Co-PI for the Duke U24 Hub in the NIH Early Phase Pain Investigation Clinical Network (EPPIC-Net), as site PI for emergency critical care (PETAL) and emergency cardiac and neurologic care (SIREN) and on industry-funded work that led to FDA approval for multiple high-sensitivity cardiac troponin assays. He now serves as co-PI on the Duke U24 Hub award (U24NS129498) in the NIH Strategies to Innovate Emergency Care Clinical Trials (SIREN) Network Hub and the Duke-UNC U24 Regional Coordinating Center Award for the NIH Strokenet (U24NS135250). He has lectured internationally on acute coronary syndrome, responsible conduct of research, design of clinical trials, and precision medicine in emergency care.

Dr. Limkakeng has served as chair of the American College of Emergency Physicians (ACEP) Research Committee and as the Course Director of the ACEP Research Forum from 2016-2018, the largest emergency medical research presentation platform in the nation. He is also the Director of ACEP’s Research Academy course.