Richard O'Brien, M.D., Ph.D., Chief Education: M.D., Harvard Medical School; residency program - Massachusetts General Hospital; fellowship in neuromuscular diseases - The Johns Hopkins University School of Medicine Specialties/Interests: research on how the brain adapts to change (plasticity) and how neurodegenerative diseases alter this; dementia, stroke and peripheral neuropathy |
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Rafael Llinas, M.D. Education: M.D. - New York University School of Medicine; internship in internal medicine, residency in neurology, cerebrovascular fellowship program - Harvard University Specialties/Interests: stroke and acute stroke treatments; diffusion/perfusion imaging and transcranial Doppler; migraines as they relate to cerebrovascular disease; author of numerous publications on various neurological conditions |
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Richard Allen, Ph.D. Education: Ph.D. in psychology - Cambridge University, England Specialties/Interests: sleep medicine and circadian rhythms; founder of the Johns Hopkins Sleep Disorder Center and a licensed clinical psychologist; chaired the recent Restless Leg Syndrome Foundation (RLSF) workshop at NIH on diagnosis of RLS; served as the chairman of the Medical Advisory Board for the RLS Foundation; serves on the NIH CSR Review Panel BBBP-5; associate editor of Sleep Medicine and serves on the editorial board for Sleep |
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Karen Bolla, Ph.D. Education: Ph.D. - State University of New York at Stony Brook; post-doctoral fellowship in neuroscience - The Johns Hopkins University School of Medicine Specialties/Interests: exploring brain-behavior relationships in the areas of substance abuse, neurotoxicant exposures and normal and abnormal aging; drug abuse, behavioral neuro-toxicity and normal aging; served as chairperson for the National Academy of Sciences, Institute of Medicine committee, on the adverse effects of Agent Orange on IRP |
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Kathleen Burks, CRNP Education: B.S. - Iowa State University; B.S.N. - University of Maryland; M.S.N., post-graduate nurse practitioner degree - The Johns Hopkins University School of Nursing Specialties/Interests: neurological disorders, evaluation and treatment of peripheral neuropathy |
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Christopher Earley, M.B., B.Ch., Ph.D. Education: Ph.D., M.B., B.Ch., internship, residency program - University College, Ireland Specialties/Interests: sleep medicine with a special interest in restless legs syndrome (RLS); the pathophysiology of RLS and further elucidation of the value of various treatments in this condition; honored with the ECFMG certification and FLEX; served on the American Boards of Internal Medicine, Psychiatry, Neurology and Sleep Medicine |
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Charlene Gamaldo, M.D. Education: Specialties/Interests: sleep medicine with a particular focus on daytime consequences of restless legs syndrome (RLS), impact of sleep deprivation of mood, cognition and daytime functioning; consequences of sleep apnea on neurological diseases, strides towards interdisciplinary approach to sleep medicine |
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Romergryko Geocadin, M.D. Education: M.D. - University of the Philippines; residency in neurology - New York University Medical Center; fellowship in neurocritical care - The Johns Hopkins University School of Medicine Specialties/Interests: neurological critical care (critically ill neurological patients, peri-operative neurosurgery patients and patients who have undergone interventional neuroradiological procedures); basic and clinical investigations in acute neurological injuries after global cerebral ischemia; novel application of neuro-electrophysiology for early detection of acute neurological injuries; disorders of intracranial pressure; coma and cerebrovascular disorders |
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Rebecca Gottesman, M.D., Ph.D. Education: M.D. - Columbia College of Physicians and Surgeons; residency in neurology - The Johns Hopkins University School of Medicine; clinical research fellowship in cerebrovascular diseases - The Johns Hopkins University School of Medicine; Ph.D. in clinical investigation - The Johns Hopkins University Bloomberg School of Public Health Specialties/Interests: stroke, stroke after cardiac surgery, cognitive outcome after stroke, epidemiology of stroke, vascular dementia, stroke in young adults |
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Peter W. Kaplan, M.B., B.S., FRCP ( UK ) Education: medical training - St. Bartholomew's Medical School, London; fellowship - Royal College of Physicians, England; residency in neurology, fellowship in epilepsy and clinical neurophysiology - Duke University Medical Center Specialties/Interests: epilepsy and clinical neurophysiology (EEG); author of more than 100 articles, chapters and books on epilepsy, pregnacy and epilepsy, eclampsia and neurological disease in women; certified by the American Boards of Clinical Neurophysiology, Psychiatry and Neurology, and the American Board of Clinical Neurophysiology |
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Andrew L. Mammen, M.D., Ph.D. Education: medical training - The Johns Hopkins University School of Medicine; internship - The Osler Medical Service; fellowship and residency in neuromuscular disorders and neurology - The Johns Hopkins Hospital Specialties/Interests: diseases of muscle and nerve; research in rheumatology and understanding the pathogenesis of inflammatory muscle disease | ![]() |
Abhay Moghekar, M.B., B.S. Education: M.B.B.S. - University of the Bombay, India; residency in neurology - The Johns Hopkins University School of Medicine; fellowship in clinical neurophysiology - The Johns Hopkins University School of Medicine Specialties/Interests: neurodegenerative disorders, with a special interest in Alzheimer's disease and vascular dementia |
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Thien Nguyen, M.D., Ph.D. Education: Specialties/Interests: neuromuscular diseases with particular areas of focus in peripheral nerve diseases and demyelinating diseases; nerve conduction studies, electromyography, and nerve and muscle biopsy as well as biopsy reading; research in the molecular mechanisms governing axonal degeneration in demyelinating and dysmyelinating disorders, novel models of human nerve protection, and identification of promising neuroprotective agents |
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Michael Polydefkis, M.D. Education: M.D., residency and fellowship - The Johns Hopkins University School of Medicine Specialties/Interests: neuromuscular diseases with particular areas of focus in peripheral nerve diseases particularly diabetic and HIV-associated peripheral neuropathy; nerve conduction studies, electromyography and nerve, skin and muscle biopsy reading; the role of nerve growth factor expression in human peripheral nerve regeneration, novel models of human nerve regeneration, identification of factors influencing nerve regeneration in diabetes and HIV infection and clinical trials of promising neurotrophic agents using novel measures of axonal regeneration |
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George A. Ricaurte, M.D. Education: M.D. - Northwestern University Medical School; doctorate in pharmacology - University of Chicago; residency in neurology - Stanford University Medical Center; fellowship - Parkinson's Institute in California Specialties/Interests: Parkinson's disease and other movement disorders, neurotoxicology of amphetamine-type stimulants |
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Jason Rosenberg, M.D. Education: M.D. - Harvard Medical School; residency in neurology - The Johns Hopkins University School of Medicine Specialties/Interests: headaches, general neurology, cognitive and movement disorders |
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Ned Sacktor, M.D. Education: M.D. - University of Pennsylvania School of Medicine; residency in neurology, fellowship in behavioral neurology - Columbia University Specialties/Interests: dementia and behavioral neurology; research involving cognitive manifestations of HIV infection, including clinical, epidemiological and neuroimaging studies; recognized as the plenary speaker for the Fourth International Symposium on Neurovirology; received the Neurological AIDS Research Consortium New Investigator Award; former president of the Maryland Neurological Society |
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Rachel E. Salas, M.D. Education: M.D., residency in neurology - University of Texas Medical Branch at Galveston; fellowship in sleep medicine - The Johns Hopkins Hospital Specialties/Interests: sleep medicine - specifically investigating insomnia and motor memory using Transcranial Magnetic Stimulation (TMS) and transcranial direct current stimulation (tDCS), restless legs syndrome (RLS) | ![]() |
George R. Uhl, M.D., Ph.D. Education: M.D., Ph.D. - The Johns Hopkins University School of Medicine; residency in internal medicine - Stanford Hospitals; residency in neurology - The Johns Hopkins University School of Medicine Specialties/Interests: molecular genetics, pharmacogenomics and molecular neurobiology of Parkinsonism and other movement disorders, dementias, pain, sleep disorders, addictions and therapeutics; whole-genome association studies of complex brain disorders and therapeutic responses; transporters; dopamine compartmentalization hypothesis for the cell-type, specifically of Parkinsonian neuronal damage; cell adhesion mechanisms; relationship to neuronal connectivities and brain volumes | ![]() |
Linda White, CRNP Education: B.S., M.S.N. -The Johns Hopkins University School of Nursing Specialties/Interests: headaches, evaluation and treatment of primary headache disorders | ![]() |





















