Dr. Justin Choi is an academic hospitalist and medical educator who specializes in medical decision making and clinical reasoning education and research. He received a CTSC KL2 career development award to study the diagnostic performance of biomarkers in care delivered to hospitalized adults. He conducts research on innovative approaches to improving teaching and assessment of clinical reasoning among medical students and residents. His work also focuses on teamwork in the diagnostic process, and is supported by the Society of Bedside Medicine and Society to Improve Diagnosis in Medicine.