Meet the Team Andy Shih, Ph.D. Principal Investigator Assistant Professor in the Department of Neuroscience. Manuel Levy, Ph.D. Research Assistant Professor Imaging Synaptic Plasticity During Stroke Recovery. David Hartmann M.D./Ph.D. Student The Role of Cerebral Pericytes in Blood Flow Control. Robert Underly Ph.D. Candidate Pericyte Roles in Blood-Brain Barrier Dysfunction during Stroke. Andrée-Anne Berthiaume Ph.D. Candidate Pericyte Structural Plasticity and Blood-Brain Barrier Function. Ian Grant Research Specialist Imaging Small Vessel Disease in Post Mortem Human Brain Tissue.