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Department of Radiology Department of Radiology
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Meet the Department of Radiology

A team united in innovation and patient care.

At the UC San Diego Department of Radiology, our multidisciplinary approach enables us to tackle your radiologic care comprehensively, efficiently and precisely.



Our team unites experts across multiple specialties to deliver advanced diagnostics and treatments, compassionate care and groundbreaking research.

Image of the team

Guiding Principles

  • Patient-centered focus: To provide outstanding, inclusive and compassionate clinical care. 
  • Health care innovation: To enhance diagnostics and treatments through pioneering technology. 
  • Leadership in education: To develop future radiologists who lead with integrity and strive for excellence.
Christine Chung

Our Department Chair

A vision of innovation, collaboration and excellence

Christine Chung, MD, shares her vision for the Department of Radiology, highlighting the team’s dedication to advancing patient care, groundbreaking research and training future leaders in radiology.

Learn More About Christine Chung

Administrative Leadership

Our administrative leaders guide the strategic direction of the department, ensuring excellence in clinical operations, research and education.

Vice Chairs

Our vice chairs oversee critical operations, research and education, driving the department’s mission and vision forward.

Stephen Dorros, MD

Stephen Dorros, MD

Vice Chair of Business Development, Musculoskeletal Imaging
sdorros@health.ucsd.edu

Nikdokht Farid, MD

Nikdokht Farid, MD

Vice Chair of Education, Neuroimaging
nfarid@health.ucsd.edu

Jason Handwerker, MD

Jason Handwerker, MD

Vice Chair of Education, Neuroimaging
jhandwerker@health.ucsd.edu

Thomas Liu, PhD MBA

Thomas Liu, PhD MBA

Vice Chair of Research, Brain Imaging
Interim Vice Chair of Academic Affairs
ttliu@health.ucsd.edu

Paul Murphy, MD PhD

Paul Murphy, MD PhD

Vice Chair of IT, Body Imaging
pmmurphy@health.ucsd.edu

Cynthia Santillan, MD

Cynthia Santillan, MD

Vice Chair of Clinical Operations, Body Imaging
csantillan@health.ucsd.edu

Division Chiefs

Our division chiefs lead specialized areas within radiology, ensuring clinical and research excellence.
Julie Marek Bykowski, MD

Julie Marek Bykowski, MD

Division Chief, Neuroimaging
jbykowski@health.ucsd.edu

Sherief Gamie, MD PhD

Sherief Gamie, MD PhD

Division Chief, Nuclear Medicine
sgamie@health.ucsd.edu

Jason Sweet, MD

Jason Sweet, MD

Interim Chief, Cardiothoracic Imaging
jdsweet@ucsd.edu

Brady Huang, MD

Brady Huang, MD

Division Chief, Musculoskeletal Imaging
b4huang@health.ucsd.edu

Paul Jaffray, MD

Paul Jaffray, MD

Division Chief, Emergency Radiology
pjaffray@health.ucsd.edu

Robert Marks, MD

Robert Marks, MD

Division Chief, Body Imaging
rmarks@health.ucsd.edu

Jeet Minocha, MD

Jeet Minocha, MD

Division Chief, Interventional Radiology
jminocha@health.ucsd.edu

Haydee Ojeda-Fournier, MD

Haydee Ojeda-Fournier, MD

Division Chief, Breast Imaging
hojeda@health.ucsd.edu

Outreach and Engagement at UC San Diego

Connecting communities, inspiring impact

At UC San Diego, we believe meaningful outreach and engagement are essential to our mission. We are committed to building lasting partnerships, fostering dialogue, and creating opportunities that connect the university with the broader community.



By bringing together diverse perspectives and experiences, we create a vibrant environment where collaboration thrives, innovation flourishes and everyone has the opportunity to contribute. Our outreach efforts aim to inspire, empower, and drive positive change — on campus and beyond.

Dorathy Tamayo-Murillo

Outreach & Engagement Committee Chair

Expanding access and inspiring future leaders in radiology

Dorathy Tamayo-Murillo, MD, leads outreach and engagement efforts in the UC San Diego Department of Radiology. As a Mexican-Filipino American and first-generation college graduate, she draws from her own journey to mentor students from underserved communities and encourage them to pursue careers in STEM and health care.

Learn More About Dorathy Tamayo-Murillo