Faculty and Staff
![Edmundo Calleros-Macias portrait picture](/_portrait-pictures/calleros-jesus-wc.jpg)
Interim Chair, Department of Radiology
Imaging and Interventional Radiology
Associate Professor
![Jesus Diaz, M.D.](/_portrait-pictures/diaz-jesus-wc.jpg)
Associate Professor
Residency Program Director
Nuclear Medicine Imaging
Dr. Diaz trained abroad as Nuclear Medicine physician in 2001 and completed training in Diagnostic Radiology and Body Imaging fellowship here at Texas Tech.
He is board-certified with the American Board of Radiology since 2012.
He has provided Emergency Radiology services since 2013.
He is the Medical Director of Nuclear Medicine at UMC and Nuclear Medicine Section Chief with Texas Tech.
He currently is the Radiation Safety Officer for UMC, chairs the Radiation Safety Committee and serves as a physician member in the Patient Safety Council.
He serves as member in the Credentials Committee and Institutional Review Board for Texas Tech.
He is the program director for the Diagnostic Radiology residency at Texas Tech.
His research focus is in gastric emptying with radionuclide techniques.
His interests are in gastric emptying, DaTscan in movement disorders, MRI liver iron quantification, radiation biology, current and emerging radionuclide therapies.
He has been involved with the Society of Nuclear Medicine and Molecular Imaging in developing appropriate use criteria in gastrointestinal transit.
He serves in the Board of Trustees with the Southwestern Chapter of the Society of Nuclear Medicine and Molecular Imaging.
He serves in the American Board of Radiology in the Nuclear Radiology Committee.
He is involved with the El Paso Public Health Department as advisor for radiation disaster preparedness.
He participates jointly with Emergency Medicine Department in the simulation of contrast material reactions management and radiation disaster response.
![Humera M. Chaudhary, M.D.](/_portrait-pictures/chaudhary-humera-wc.jpg)
Assistant Professor
Program Director, Body Imaging Fellowship
Body Imaging
![Eseosa A. Bazuaye-Ekwuyasi, M.D.](/_portrait-pictures/bazuaye-ekwuyasi-eseosa-wc.jpg)
Assistant Professor
Fellowship Program Director
Women’s Imaging
![Shaked Laks, M.D.](/_portrait-pictures/laks-shaked-wc.jpg)
Associate Professor
Body and Musculoskeletal Imaging
Medical Student Education Director
![Brian T. Kim, M.D.](/_portrait-pictures/kim-brian-wc.jpg)
Assistant Professor
Residency Associate Program Director
Body Imaging
![Alberto Maud, M.D.](/_portrait-pictures/maud-alberto-wc.jpg)
Professor of Neurology and Clinical Professor of Radiology
Neurointervention
![image placeholder](/_portrait-pictures/_placeholder.jpg)
Clinical Associate Professor
Pediatric Radiology, El Paso Children's Hospital
![Image Place Holder](/_portrait-pictures/_placeholder.jpg)
Clinical Associate Professor
Nuclear Medicine, WBAMC
![Thomas J. O’Neill, M.D.](/_portrait-pictures/oneill-thomas-wc.jpg)
![TTUHSC El Paso place holder](/_portrait-pictures/rangashamanna-vital-wc.jpg)
Assistant Professor
Body and Musculoskeletal Imaging
![Gustavo Rodriguez, M.D.](/_portrait-pictures/rodriguez-gustavo-wc.jpg)
Professor of Neurology and Clinical Professor of Radiology
![Steven A. Ross, M.D.](/_portrait-pictures/ross-aaron-wc.jpg)
Professor of Neurology and Clinical Assistant Professor of Radiology
Pediatric Radiology, El Paso Children's Hospital
Administrative Staff
![Sergio Garcia portrait picture](/_portrait-pictures/garcia-sergio-gbd.jpg)
Senior Clinical Administrator of Radiology
![Elena Miranda, M.Ed.](/_portrait-pictures/_placeholder.jpg)
Associate Clinical Department Administrator
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