Our Caring Medical Team

Our Caring Medical Team

The LAC+USC Medical Center’s staff include:

  • 714 Full-time Physicians from the Keck School of Medicine of USC
  • 890 Interns and Residents
  • 900 Registered Nurses (2,600 nurses of all levels)


  • Christina Ghaly, MD, Interim Chief Executive Officer




    Henry Ornelas, Chief Operating Officer
    B.B.A. Accounting (University of Texas, El Paso, TX)
    M.B.A. (University of Texas, El Paso, TX)


    Henry Ornelas has 35 years of experience in the healthcare industry. He has a successful 20-year track record in senior leadership and experience in executing comprehensive strategic goals and achieving significant, measurable results. He also has extensive hospital operations experience in academic medical centers and in complex for-profit and not-for-profit healthcare organizations.

    Mr. Ornelas is skilled in building relationships and collaborating with a variety of constituents in a manner that reflects respect and confidence.

    Stephanie L. Hall, MD, Chief Medical Officer
    M.D. Keck School of Medicine – University of Southern California (Los Angeles, CA)

    Dr. Hall has extensive experience in the oversight and management of emergency care, departmental medical affairs, policy, and human resources. As Chief Medical Officer of the LAC+USC Medical Center, Dr. Hall directs all efforts related to the clinical design of the replacement facility.

    In 15 years as an instructor, Dr. Hall has taught courses on advanced medical issues. In addition, she has participated in research activities, publishing a number of medical science articles in peer-reviewed journals.

    Isabel Milan, RN, Interim Chief Nursing Officer



    Mark Corbet, Interim Chief Financial Officer
    As the Interim Chief Financial Officer for the LAC+USC Medical Center, Mark Corbet is responsible for directing the financial leadership and operations of the network. He is also the Controller.

    Mr. Corbet supports the LAC+USC Medical Center’s mission to provide quality healthcare for the Los Angeles community by maintaining accurate financial data and providing sound financial advice to sustain LAC+USC Medical Center operations.

    Oscar Autelli, Chief Information Officer
    A results-driven information technology professional, Mr. Autelli has extensive experience managing, developing, implementing, and maintaining hospital information services programs. He supports LAC+USC operations through his exceptional strength in team building, vendor negotiations, systems analysis, and project planning.

    His accomplishments include the design and management of the transition and migration plan to the replacement facility.