Michael Macias, MD, has served as a senior multimedia editor for PEER (Physician's Evaluation and Educational Review in Emergency Medicine) since 2019. Dr. Macias earned his doctor of medicine degree from Northwestern University Feinberg School of Medicine in Chicago, Illinois, where he also completed his residency in emergency medicine. After residency, he completed an ultrasound fellowship at the University of California San Diego School of Medicine. Dr. Macias currently practices at both Temecula Valley Hospital and the University of California, San Diego. He also serves as a systems clinical ultrasound director for a California-based group called Emergent Medical Associates. Dr. Macias is an avid digital educator and has created multiple FOAMed sites, including EM Curious, the NUEM Blog, UCSD Ultrasound, and The POCUS Atlas. He received the Innovation Award in 2018 from the ACEP Emergency Ultrasound Section for his work on The POCUS Atlas. Outside of digital education, Dr. Macias has a strong interest in medical design, regional anesthesia, and bedside echocardiography.