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Faculty and Staff

* J. Christian Fox, MD, RDMS
Professor and Interim Chair
Department of Emergency Medicine 

Dr. Fox is an ultrasound fellowship-trained emergency physician who has been training emergency medicine residents and fellows at UC Irvine Medical Center since 2001. He has received numerous teaching awards from medical students and has published over 40 articles and three textbooks on the topic of bedside ultrasound. He has given talks on ultrasound in 47 states and 11 countries and is a proud Fellow of the American Institute of Ultrasound in Medicine. In 2003 he started a medical student rotation in ultrasound and the enthusiasm of his students inspired him to expand the program into the entire four years of medical school. With a generous gift from SonoSite, Inc. in 2010, and a grant from UniHealth in 2011, this curriculum is now fully engrained into the UC Irvine School of Medicine.

* Nora Perez-Moreno, RDMS
Ultrasound Program Coordinator

Nora fell in love with Ultrasound in 2004, which she then earned her Associate of Science, Diagnostic Medical Sonographer Degree. She received her training at Hoag Hospital in Newport Beach from excellent Sonographers and also worked there where she perfected the art of Ultrasound. Her current role as Ultrasound Coordinator in the Medical Education gives her great fulfillment in providing awareness and guidance to the community and of course to the Medical students.  


Shadi Lahham MD, MS
Assistant Clinical Professor of EM
Director of Emergency Medicine
Assistant Residency Program Director

Shadi is originally from Southern California. He attended Bishop Amat Memorial High School in Los Angeles County before moving to Orange County to obtain an undergraduate degree in Biology at the University of California, Irvine. He continued his education at UC Irvine by obtaining a master’s degree in Biomedical Engineering. He then began his medical career by attending the UC Irvine School of Medicine.  He completed an Emergency Medicine Residency at the University Of Nevada School Of Medicine in Las Vegas, NV. Outside of medicine, his interests include playing basketball, water sports, clinical research and spending time with family.

* Mark A Rosen. MD
Volunteer Clinical Faculty

He serves as an Associate Clinical Professor in Intensive Care Medicine at UC Irvine Medical Center since 1998, following faculty positions at the Medical Intensive Care Unit Memorial Medical Center of Long Beach and the UCLA Medical Center Department of Emergency Medicine. He received the Clinical Instructor of the Year Award from Memorial Medical Center of Long Beach Department of Family Practice in 1999 and in 2002. He was also nominated for the Association of American Medical Colleges' National Award for Humanism in 1999 and the UCI Medical Center's Teacher of the Year Award in 1999. His ultrasound interests are in critical care ultrasound and promoting ultrasound education in primary care and resource poor settings