Geoffrey Shiu Fei Ling, M.D.



Geoffrey S. F. Ling, M.D., Ph.D., is a medical doctor who retired from the United States Army as a colonel. He served as the director of the Defense Advanced Research Projects Agency (DARPA) Biological Technologies Office and is an expert in traumatic brain injury (TBI).

Prominent in his research portfolio are neuroscience, specifically, preventing violent explosive neurologic trauma (PREVENT); prevention of traumatic brain injury; and development of responsive, brain-controlled, artificial arms. He also serves as the deputy director of the Defense Sciences Office. Ling is a recipient of the Humanitarian Award from the Brain Mapping Foundation.

Ling earned his bachelor's degree with honors from Washington University, and earned his doctorate in pharmacology from Cornell University School of Medicine. He completed postdoctoral training in neuropharmacology at the Sloan-Kettering Memorial Cancer Center. Ling earned an M.D. from Georgetown University School of Medicine. Both his neurology internship and later residency were completed at Walter Reed Army Medical Center. Ling also completed a fellowship at Johns Hopkins University, in the neurosciences critical care unit (NCCU). more

Departments / Divisions



  • MD; Georgetown University School of Medicine (1989)


  • Neurology; Walter Reed National Military Medical Center (1993)


  • Neurology; Johns Hopkins University School of Medicine (1995)
  • Memorial Sloan Kettering Cancer Center (1984)

Board Certifications

  • American Board of Psychiatry and Neurology (Neurology-General) (1997)

Videos & Media

Recent News Articles and Media Coverage

Degrees of Freedom, A scientist's work linking minds and machines helps a paralyzed woman escape her body. The New Yorker (Nov, 2018)

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