Our Global Health Care Experts

At Johns Hopkins, we are committed to improving health care for the communities that our clients serve.

Our world-renowned experts help health care organizations around the world advance patient care so more people can receive quality care, close to home.

We bring together the right team of collaborative experts to discover the insights necessary to lower costs, improve efficiencies and meet organizational objectives — all to deliver better patient care.

  • Mona Bahouth, M.D., Ph.D.

    Mona Bahouth is assistant professor of neurology and the medical director of the brain rescue unit at Johns Hopkins. She has experience in system science, outcomes research and the integration of clinically meaningful technologies into stroke care.

    Mona Bahouth
  • Deborah J. Baker, D.N.P., M.S.N., R.N.

    Deborah Baker is the senior vice president for nursing for the Johns Hopkins Health System.  She also serves as the vice president of nursing and patient care services for The Johns Hopkins Hospital.

    Deborah J. Baker, D.N.P., M.S.N., R.N.
  • Rebecca Barshick, M.S.N., B.A., R.N.-B.C.

    Rebecca is a member of the Institute for Johns Hopkins Nursing. She serves as the American Nurses Credentialing Center lead nurse planner. Rebecca is a certified Emergenetics associate and Crucial Conversations facilitator, and manages observer experiences for visiting nurses.

    Rebecca Barshick, M.S.N., B.A., R.N.-B.C.
  • Wilma Berends, M.S.N., C.P.H.Q.

    Wilma serves as a nurse consultant for the Global Services Clinical Quality and Nursing team at Johns Hopkins Medicine International. In this capacity, she facilitates the development of structures and processes needed to ensure the delivery of quality nursing and patient care.

    Dr. Victor Urrutia
  • Marlis Gonzalez-Fernandez, M.D., Ph.D.

    Marlis Gonzalez-Fernandez is an associate professor and interim director of the Department of Physical Medicine and Rehabilitation at Johns Hopkins. She serves as the medical director of Outpatient Physical Medicine and Rehabilitation Clinics at Johns Hopkins.

    headshot of Marlis Gonzalez-Fernandez
  • Cindy Dwyer, R.N., B.S.N.

    Cindy Dwyer is an experienced health care quality coach with over 25 years of experience in critical care at Johns Hopkins. She is currently an active research nurse at the Armstrong Institute for Patient Safety and Quality.

    Cindy Dwyer, R.N., B.S.N.
  • E. Robert Feroli Jr., Pharm.D., F.A.S.H.P.

    Robert Feroli is a consultant responsible for helping to minimize patient harm caused by medication errors. His focus is on the medication-use systems of health care organizations to improve safety, efficiency, therapeutic appropriateness and compliance with JCI standards.

    E. Robert Feroli Jr., Pharm.D., F.A.S.H.P.
  • Eleni Flanagan, M.S.N., M.B.A., R.N.-B.C.

    Eleni Flanagan is the assistant director of nursing, overseeing inpatient and procedural nursing operations for the department of medical nursing at Johns Hopkins.

    Eleni Flanagan, M.S.N., M.B.A., R.N.-B.C.
  • Michael Friedman, P.T., M.B.A.

    Michael Friedman is the director of strategic program development and a faculty member of the Johns Hopkins University School of Medicine Department of Physical Medicine and Rehabilitation. He co-directs the Johns Hopkins Medicine activity and mobility promotion program.

    Michael Friedman, PT, MBA
  • Erik Hans Hoyer, M.D.

    As the vice chair for quality, safety and service, Erik Hoyer leads efforts to improve patient safety and care at Johns Hopkins. He is an assistant professor of physical medicine and rehabilitation.

    Erik Hans Hoyer, M.D.
  • Judy Huang, M.D.

    Judy Huang serves as director of the Neurosurgery Residency Program. As a member of the board of directors of the American Board of Neurological Surgery, she plays an influential role in the training standards and certification of practicing neurosurgeons across the U.S. 

    Judy Huang, M.D.
  • Brenda Johnson, D.N.P., C.R.N.P.-B.C., A.N.V.P., F.A.H.A.

    Brenda Johnson is an acute neurovascular advanced nurse practitioner and assistant director of the Johns Hopkins Hospital Comprehensive Stroke Center.

    Brenda Johnson, D.N.P., C.R.N.P.-B.C., A.N.V.P., F.A.H.A.
  • Julianna Jung, M.D.

    Julianna Jung is an assistant professor of emergency medicine and director of medical student education in the emergency medicine department. She is associate director of the Johns Hopkins Simulation Center.

    Julianna Jung, M.D.
  • Flora Kisuule, M.D.

    Flora Kisuule is an assistant professor at the Johns Hopkins University School of Medicine and the Johns Hopkins Bloomberg School of Public Health. Her research interests and expertise are in quality improvement and practice management.

    Flora Kisuule, M.D.
  • Lisa M. Klein, M.S.N., R.N., A.G.C.N.S.-B.C., C.N.R.N.

    Lisa Klein is an adult-gerontological clinical nurse specialist on the acute care and intermediate care neuroscience units of the Johns Hopkins Hospital Comprehensive Stroke Center. She has been a certified neuroscience nurse since 2009.

    Lisa M. Klein, M.S.N., R.N., A.G.C.N.S.-B.C., C.N.R.N.
  • Lisa Lockerd Maragakis, M.D., M.P.H.

    As senior director of infection prevention and the hospital epidemiologist for The Johns Hopkins Hospital, Lisa Maragakis is responsible for conceptualization, planning, implementation and development of the Johns Hopkins Health System’s infection control and prevention program.

    Lisa Lockerd Maragakis, M.D., M.P.H.
  • Brian Richard Matlaga, M.D., M.P.H.

    Brian Matlaga is a professor of urology at the Johns Hopkins University School of Medicine and serves as the executive medical director for clinical affairs with Johns Hopkins Medicine International.

    Brian Richard Matlaga, M.D., M.P.H.
  • Sally McConnell, B.A., M.B.A.

    Sally McConnell is the vice president of facilities at Johns Hopkins, and is responsible for planning, design, construction, maintenance and clinical engineering. She oversees the operation of central power plants and utility purchases as well as major capital projects.

    Sally McConnell, B.A., M.B.A.
  • Paul Nagy, Ph.D.

    Paul Nagy leads the observational health and data science informatics efforts at Johns Hopkins, and serves as the deputy director of the Johns Hopkins Medicine Technology Innovation Center.

    Paul Nagy, Ph.D.
  • Jeffrey Natterman, Esq.

    Jeffrey Natterman is the chief legal counsel for risk management, regulatory, patient care and ethics for the Johns Hopkins Health System. He expertly guides clinicians on how to mitigate risk and unnecessary exposure to liability on the job.

    Jeffrey Natterman, Esq.
  • Clare Rock, M.B.B.Ch.

    Clare Rock is an associate professor of medicine in the Division of Infectious Diseases. She is a hospital epidemiologist, infectious diseases physician and core faculty at the Johns Hopkins Armstrong Institute for Patient Safety and Quality.

    Clare Rock, M.B.B.Ch.
  • Normaliz Rodriguez, M.D.

    Normaliz Rodriguez is the associate medical director for the Johns Hopkins All Children’s Hospital Center for Medical Simulation and Innovative Education. She specializes in pediatric emergency medicine.

    Normaliz Rodriguez, M.D.
  • Antony Rosen, M.B.Ch.B., M.S.

    Antony Rosen is director of the division of rheumatology and vice dean for research at Johns Hopkins.

    Antony Rosen, M.B.Ch.B., M.S.
  • Janelle M. Sanders, M.S.N., R.N.

    Janelle works for Johns Hopkins Medicine International as a clinical outcomes analyst for quality and safety. She works with global affiliates and collaborators to support outcomes management, clinical process analysis and performance improvement initiatives.

    Dr. Victor Urrutia
  • James Scheulen, P.A., M.B.A.

    James Scheulen is responsible for the operations of five Johns Hopkins Health System emergency departments. He is an expert in hospital and emergency department operations, and is a leader in applying system engineering concepts to health care management.

    James Scheulen, P.A., M.B.A.
  • Michael Allen Schweitzer, M.D.

    Michael Schweitzer is the director of the Johns Hopkins Center for Bariatric Surgery and an associate professor of surgery. He is also chair of the membership committee for the American Society of Bariatric Surgeons.

    Michael Allen Schweitzer, M.D.
  • Aalok Shah

    Aalok Shah serves as the director of product management for the Johns Hopkins inHealth precision medicine initiative.

    Aalok Shah
  • Valerie Smothers

    Valerie Smothers oversees the governance and accessibility of patient data for Johns Hopkins Medicine. She has extensive background in instructional design.

    Valerie Smothers
  • Matthew Stewart, M.D., Ph.D., F.A.C.S.

    Matthew Stewart specializes in surgery of the inner ear, skull-base tumors, sudden hearing loss and surgical restoration of hearing through cochlear implantation. His research focuses on health care quality implementation in microsystems.

    Matthew Stewart, M.D., Ph.D., F.A.C.S.
  • Polly Trexler, M.S., C.I.C.

    Polly serves as the director of hospital epidemiology and infection control (HEIC) for The Johns Hopkins Hospital and Health System. She is also associate director of the HEIC clinical community.

    Polly Trexler, M.S., C.I.C.
  • Victor C. Urrutia, M.D., F.A.H.A.

    Victor Urrutia is professor of neurology at the Johns Hopkins University School of Medicine, director of the Johns Hopkins Hospital Comprehensive Stroke Center and founder and director of the Johns Hopkins Global Center for Organized Stroke Care.

    Victor C. Urrutia, M.D., F.A.H.A.
  • Patrick C. Walsh, M.D.

    Patrick Walsh is a professor of urology at Johns Hopkins. He is recognized internationally as a pioneer in the diagnosis and treatment of prostate cancer.

    Patrick C. Walsh, M.D.
  • Stephen T. Wegener, Ph.D., M.A.

    Stephen Wegener serves as the director of the Division of Rehabilitation Psychology and Neuropsychology in the Department of Physical Medicine and Rehabilitation at Johns Hopkins. He is also a professor of physical medicine and rehabilitation and health policy and management.

    Stephen T. Wegener, Ph.D., M.A.
  • Charles Wiener, M.D.

    As the president of Johns Hopkins Medicine International, Charles Wiener leads the organization in developing innovative collaborations that raise the standard of health care around the world and provide personalized care for diverse populations.

    Charles Wiener, M.D.
  • Laura Winner, R.N., B.S.N., M.B.A.

    Laura Winner is the senior director of operational excellence for the Johns Hopkins Health System and the Armstrong Institute for Patient Safety and Quality. Laura oversees the Lean Sigma team operations for the Johns Hopkins Health System.

    Laura Winner, R.N., B.S.N., M.B.A.
  • Albert W. Wu, M.D.

    Albert Wu is a professor of health policy and management and medicine, with joint appointments in epidemiology, international health, medicine and surgery.

    Albert W. Wu, M.D.
  • Stephen C. Yang, M.D.

    Stephen Yang is a professor of surgery and medical oncology at Johns Hopkins. He is also associate vice chair for faculty development.

    Stephen C. Yang, M.D.
  • Atif Zaheer, M.D.

    Atif Zaheer is a professor of radiology and radiological science at the Johns Hopkins University School of Medicine, as well as the director of the Cross-Sectional Body Imaging Fellowship Program. He is board certified in diagnostic radiology and practices.

    Atif Zaheer, M.D.
  • Jonathan Mark Zenilman, M.D.

    Jonathan Zenilman is known internationally for his work in infectious disease epidemiology. He is a professor of medicine at Johns Hopkins and also has joint appointments in population, family and reproductive health and international health and epidemiology.

    Jonathan Mark Zenilman, M.D.
  • Elizabeth “Betsy” Zink, Ph.D., M.S.N., R.N., C.C.N.S., C.N.R.N.

    Betsy Zink is a clinical nurse specialist in the neurocritical care unit at Johns Hopkins. She leads quality improvement efforts, organizing interprofessional teams and translation of evidence into nursing practice.

    Elizabeth “Betsy” Zink, Ph.D., M.S.N., R.N., C.C.N.S., C.N.R.N.

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