Professor and Vice Chair for Research
2003 – 2009: Assistant Professor, Department of Neurology, The Johns Hopkins University, School of Medicine, Baltimore, MD
2009 – 2014: Associate Professor, Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD
2011 – present: Joint Appointment, Department of Psychiatry, The Johns Hopkins University School of Medicine, Baltimore, MD
2014-present: Professor, Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD. Joint Appointment, Department of Psychiatry and Behavioral Sciences, The Johns Hopkins University School of Medicine, Baltimore, MD
2015 – present: Vice Chair of Research, Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD.
1992 B.A. (honors), Psychology, University of Winnipeg
1998 Ph.D, Pharmacology, University of Manitoba
1999-2000 Postdoctoral Fellow, Center on Aging, University of Kentucky
2000-2002 Visiting Fellow, Laboratory of Neurosciences, Gerontology Research Center, National Institute on Aging, NIH
HIV, Multiple Sclerosis, PTSD, HAND
Joined: August 2013
2016 – Research Associate, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore MD
2013 – 2016: Postdoctoral fellow, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore MD
2011 – 2013: Postdoctoral fellow, Department of Pharmacology, Johns Hopkins University School of Medicine, Baltimore MD Advisor: Ronald Shnaar
2008 – 2011 Postdoctoral fellow, Ajou Univerisity, Suwon, South Korea
Ph. D. in Medical Science, Ajou University, Suwon, South Korea (2008)
M.S. in Genetic Engineering, Sungkyunkwan University, Suwon, South Korea (2004)
B.S. in Genetic Engineering, Sungkyunkwan University, Suwon, South Korea (2002)
Research keywords: HIV, Multiple Sclerosis, PTSD, HAND
HIV, Multiple Sclerosis, PTSD, HAND
Joined: July 2016
2015: Drexel University, Biomedical Engineering, Mechanisms of axonal pathology in traumatic brain injury.
Advisor: Dr. Kenneth Barbee
Ph.D – Drexel University, Biomedical Engineering (2014)
B.S – Biomedical Engineering and Computer Science, University of Virginia (2008)
Matlab, axonal pathology, bioinformatics, neurons
Joined: March 2018
2015-2018: Postdoctoral Fellow at Singapore Lipidomics Incubator (SLING), Center for Life Sciences, National University of Singapore (NUS), Singapore
Supervisor: Markus R. Wenk
Ph.D. in Pharmacology (Specialization in Analytical Chemistry), Universiti Sains Malaysia and University of Santiago de Compostela, Spain (2015)
M.Sc. in Biochemistry and Molecular Biology, Jahangirnagar University, Bangladesh (2010)
B.Sc. in Biochemistry and Molecular Biology, Jahangirnagar University, Banglades (2008)
Mass spectrometry, Lipidomics, Small molecule analysis, Method development, Neurodegenerative diseases
Joined: July 2018
March 2016- July 2018 Postdoctoral Fellow at Burnett School of Biomedical Sciences-University of Central Florida as bio- analytical mass spectrometrist (Cardiovascular disease)- metabolomics and lipidomics
Feb 2015 – Feb 2016 Analytical Scientist in a Pharmaceutical company- ClearSynth Labs Ltd, Hyderabad, India
Ph.D. in Chemistry (Specialization in Mass Spectrometry)
M.Sc. in Chemistry
B.Sc. in Maths, Physics and Chemistry
Mass spectrometry, Metabolomics, Lipidomics, Cardiovascular diseases,
Joined: March 2020
Ph.D. Pharmacology and Pharmaceutical Sciences, University of Southern California (2019)
Extracellular vesicles, neurons
Joined: November 2017
March 2013 – October 2017
Visiting Scholar & Research Associate at Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA. US
Supervisor: Dr. Jie Fan
Ph.D. Pathophysiology, Southern Medical University. Guangzhou, China (2016)
B.S. Med, Guangzhou University of Chinese Medicine. Guangzhou, China (2011)
Extracellular vesicles, inflammatory signaling transduction, Neurodegenerative diseases
Research Specialist II
Joined: June 2018
October 2015 – Feburary 2018
Research Specialist II at Department of Anesthesiology & Critical Care Medicine, Johns Hopkins University
April 2007-March 2011
Postdoctoral Fellow at Department of Neuroscience, University of Maryland
Ph.D. Kunming Institute of Zoology, Chinese Academy of Sciences, China (2006)
B.S. Wuhan University, Wuhan China (2000)
Patch-clamp, electrophysiology, behavioral task, learning and memory
Joined: April 2019
March 2016 – Feburary 2018
Postdoc fellow at Center for Synaptic Brain Dysfunction, Institute for Basic Science (IBS), South Korea
Ph.D. Korea Advanced Institute of Science and Technology (KAIST), South Korea (2016)
B.S. Korea Advanced Institute of Science and Technology (KAIST), South Korea (2011)
extracellular vesicles, synaptic adhesion molecules, degenerative diseases
2004-2006 Dr. Edward Knapp. Sphingolipid Modulation of NMDA Receptor Trafficking. Conducted a second postdoctoral fellowship with Peter Calabresi, Johns Hopkins School of Medicine.
2004-2006 Dr. Yangfang Chai. Regulation of Adult Neurogenesis During Aging.
2005-2007 Dr. V. V. Ratnam Bandaru. Lipids in CNS Dysfunction in Aging Promoted to Research Associate fall 2007 and Assistant Professor in 2011 in the Department of Neurology at Johns Hopkins.
2006-2007 Dr. Krishna Jhaveri. Lipid Modulation of Receptor Trafficking and Function.
2008-2009 Dr. Nino Tabatadze. Roles for nSMase2 in receptor in neurogenesis and aging. Now an Assistant Professor at North Western University. Chicago.
2008-2011 Dr. Hangshiu Xu. Effects of HIV and alcohol on AMPA and NMDA receptor trafficking. Now a clinical fellow at the Wilmur Eye Institute, Johns Hopkins University School of Medicine.
2009-2010 Dr. Ozge Gunutz. Sphingolipid modulation of synaptic plasticity. Now a postdoctoral fellow at the National Institute on Alcohol Abuse, NIH. Bethesda.
2009-2013 Dr. Mihyun Bai. Mechanisms for accelerated brain aging in HIV-infected people on stable antiretroviral therapy. Currently a Research Fellow. Korea Advanced Institute of Science and Technology.
2010-2012 Dr. Neha Patel. Sphingolipid regulation of amyloid processing in HIV infection. Now a Research Scientist in Mumbi, India.
2010-2013 Dr. Luis Tovar. Neurodegenerative disease associated changes in purinergic signaling. Now Investigador Asociado C (Assistant Professor), Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México.
2011-2012 Dr. Maytal Sabat Simon. Roles for lipids in regulating synaptic plasticity and synaptic dysfunction. Now on staff at the Weissman Institute, Israel.
2011-2013 Dr. Shuwen Cao, Identification of structural determinants that regulate ceramide-protein interactions.
2013-2015 Dr. Amanda Trout, Gene expression profiles of exosomes and cellular targets.
2014-2016 Dr. Alex Dickens, Exosome regulation of neuro-immune interactions. Now on faculty at the University of Helsinki, Finland.
2015-2016 Dr. Soo-Ah Kim, Lipidomics of plasma from Multiple Sclerosis patients.
2015-2017 Dr. Sheng Wang, Gliotransmission of exosomes regulates a neurotrophic response. Moved to a postdoctoral fellowship at the University of Maryland.
2015-2018 Dr. Amrita Datta-Chadhuri. Extracellular vesicle miRNA cargo modification by inflammation. Now a Medical writer in Washington DC.
2016-2018 Dr. Saja Khuder, Intranasal insulin and brain energy metabolism in models of HIV infection. Now a Clinical Trial Liaison for Johnson and Johnson.
2016-2018 Dr. Lakshmi Vattem Venkata Swarajya. Mass spectrometry analysis of sphingosine, sphingosine 1-phosphate and ceramides in human CSF and plasma. Returned to industry position in India.
2016-2018 Dr. Suming Chen. Metabolomic profiling of brain, plasma and CSF in HIV, Multiple Sclerosis and traumatic brain injury. Now an Assistant Professor Huang University, China.
2004-2007 David Galey. Ph.D. University of Kentucky. Role of Astrocytes in HIV Pathogenesis.
2004-2008 Dr. Kris Helke DVM. Disruption of Mitochondrial function by the HIV-protein Tat; Bad and Bax.
2005-2007 Ostefame Ewaleifoh. Masters Johns Hopkins University, School of Medicine.
2005-2012 Susan Follstat. Ph.D. program Johns Hopkins University, School of Medicine. Department of Comparative Medicine. Neuronal Death Signaling in SIV.
2007 Elizabeth Munter. M.D. program, Johns Hopkins. Disruption of the lipid content in white matter of (summer) Schizophrenia patients.
2007-2012 Valorie Toodle. Ph.D program Comparative Medicine. Mechanisms of neuroprotection by selective serotonin re-uptake inhibitors.
2008-2013 Kelly Meulendyke. Ph.D. Program Comparative Medicine. Effects of minocycline on dopamine levels in the caudate of SIV-infected macaques.
2009-2013 Wendy Pacheco. Ph.D. program, Department of Biochemistry, University of Ponce School of Medicine.
2012-2014 Sarah Beck. Ph.D. Molecular and Comparative Medicine. Natural host genetic resistance to lentiviral CNS disease.