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The Hopkins Undergraduate Summer Training and Research (USTAR) Program Faculty

Marilyn Albert, PhD

Director of the Division of Cognitive Neuroscience in the Department of Neurology at Johns Hopkins School of Medicine

She has joint appointments in five other departments at Johns Hopkins University including the Department of Psychiatry, the Department of Neuroscience, and the Department of Pathology at JHSOM, the Department of Mental Health at JHSPH, and the Department of Psychological and Brain Sciences in the School of Arts and Sciences. Dr. Albert is the Director of the Johns Hopkins ADRC and plays a major role in many clinical research programs relevant to this application, including the BIOCARD study and the ARIC-NCS Study.

Halima Amjad, MD

Assistant Professor of Medicine in the Division of Geriatric Medicine and Gerontology at Johns Hopkins School of Medicine

Dr. Amjad is a co- investigator on an R01 and the Principal Investigator on an R03 grant to understand the experiences of patients with cognitive impairment and dementia and the impact of caregivers on health outcomes. Dr. Amjad was in our first cohort of Johns Hopkins AD-RCMAR Scientists.

Alicia Arbaje, MD, MPH, PhD

Associate Professor of Medicine in the Division of Geriatric Medicine and Gerontology at Johns Hopkins School of Medicine

She is a recipient of a K08 and two R03 awards to investigate patient transitions through the healthcare system. Dr. Arbaje is currently a Johns Hopkins AD-RCMAR Scientist.

Janice V. Bowie, PhD, MPH

Professor of Health, Behavior, and Society at Johns Hopkins School of Medicine

Dr. Bowie ‘s AHRQ, PCORI, and NIH-funded research focus on the development of stakeholder-engaged interventions to address community factors that contribute to health disparities and health equity across the life course. In her role as the Director of the DrPH Program, she leads the schoolwide educational and training for public health practitioners across five concentration areas: health equity and social justice; environmental health; health policy and management; implementation science, and customized.

Cynthia M. Boyd, MD, MPH

Professor of Medicine in the Division of Geriatric Medicine and Gerontology at Johns Hopkins School of Medicine

Dr. Boyd is a national leader in research on multimorbidity and is a co-principal investigator on 3 R01 grants and a R61 grant and is the principal investigator on a K24 grant to explore aspects of multimorbidity. She will serve as a lecturer and research preceptor in the MSTAR program.

Deidra Crews, MD

Professor of Medicine/Nephrology at Johns Hopkins School of Medicine

Dr. Crew’s research focuses on disparities in chronic kidney disease in minority cohorts, and resiliency in new dialysis patients, where she seeks to identify biological factors that differentiate resilient vs. frail traits in older dialysis patients.

Lisa Cooper, MD, MPH

Professor of Medicine, Nursing, and Public Health at Johns Hopkins School of Medicine

Dr. Cooper’s research program examines the effectiveness of patient- centered strategies for improving health outcomes and overcoming racial, ethnic, and socioeconomic disparities in healthcare in the United States and Sub-Saharan Africa. She has conducted several observational studies to explore and better define barriers to equitable care across racial groups and mechanisms for disparities in health status and healthcare. Dr. Cooper has led two randomized clinical trials, (R01s) funded by the NHLBI and the AHRQ, designed to increase physicians’ patient-centeredness and cultural competence; to enhance patient self-management behaviors; and to improve chronic disease outcomes for patients from socially at-risk populations.

Thomas Cudjoe, MD, MPH

Robert and Jane Meyerhoff Endowed Assistant Professor at Johns Hopkins School of Medicine

In the Department of Medicine, Division of Geriatric Medicine and Gerontology, Dr. Cudjoe’s research seeks to understand how social isolation influences the health of older adults, and develop community-based strategies to improve the health trajectory of at-risk older adults.

Chanee Fabius, PhD

Assistant Professor in the Department of Health Policy and Management at Johns Hopkins School of Public Health

Dr. Fabius’ research aims to strengthen the direct care workforce by delivering long-term services and supports (LTSS) to older adults and people with disabilities and their family caregivers. Dr. Fabius is currently a Johns Hopkins AD-RCMAR Scientist.

Joseph Gallo, MD, MPH

Professor in the Department of Mental Health at Johns Hopkins School of Medicine

With joint appointments in JHSOM and JHSON, Dr. Gallo directs the Mixed Methods Research Training Program for the Health Sciences, a national program to develop the capacity to carry out mixed methods health research. His research interests concern the management of depression in older adults with medical comorbidity in primary care and community settings.

Darrell J. Gaskin, PhD

Richardson Professor in Health Policy and Director of the Hopkins Center for Health Disparities Solutions at Johns Hopkins School of Public Health

Dr. Gaskin’s research focuses primarily on place-based health and healthcare disparities among African American adults and features observational studies, program evaluations, and clinical trials.

Alden Gross, PhD

Associate Professor in the Department of Epidemiology at the JHSPH at Johns Hopkins School of Public Health

Dr. Gross s a psychiatric epidemiologist with a substantive research interest in cognitive aging and mental health. Dr. Gross has specialized training in statistical methods including multilevel modeling, clinical trials, methods for accounting for missing data, structural equation modeling, and latent variable methods.

Jin Joo, MD, MA

Professor of Medicine, Nursing, and Public Health at Johns Hopkins School of Medicine

Dr. Joo’s research focuses on trying to understand existing mental health disparities and developing psychosocial interventions to engage underserved older adults. Dr. Joo is currently a Johns Hopkins AD-RCMAR Scientist.

Sean Xiao Leng, MD, PhD

Professor of Medicine in the Division of Geriatric Medicine and Gerontology at Johns Hopkins School of Medicine

Dr Leng is exploring immune function in aging and in particular the impact of changing immune function on influenza vaccine efficacy through an R21-funded investigation.

Jeannie Leoutsakos, PhD, MHS

Associate Professor in the Department of Psychiatry and Behavioral Sciences at Johns Hopkins School of Medicine

Dr. Leoutsakos is jointly appointed in the Department of Mental Health at JHSPH. Dr. Leoutsakos is Director of the Psychiatry Biostatistics and Methodology Core, and Co-leader of the Analytic Core for the JHAD-RCMAR. Her research focuses on the development and application of statistical methods, particularly latent variable methods, to the study of dementia and of psychiatric illness more broadly. She has served as study statistician on a number of clinical trials and epidemiological studies and teaches “Statistics for Psychosocial Research” to public health PhD students.

Frank R. Lin, MD, PhD

Professor of Otolaryngology-Head and Neck Surgery at Johns Hopkins School of Medicine

With joint appointments in Epidemiology, Mental Health, and Geriatric Medicine,  Dr. Lin is also the director of the Cochlear Center. In his NIH-funded work, which includes three R01 and an R33 awards, he studies the relationship between hearing loss and cognitive decline.

Carrie Nieman, MD, MPH

Assistant Professor in the Division of Otology, Neurotology, & Skull Base Surgery, Department at Johns Hopkins School of Medicine

As an Assistant Professor in the Division of Otology, Neurotology, & Skull Base Surgery, Department of Otolaryngology at JHSOM, and Core Faculty in the Cochlear Center for Hearing & Public Health at JHSPH, Dr. Nieman’s career as a surgeon-scientist focuses on the development, testing, and implementation of community-delivered hearing care to ensure access to effective communication for older adults, specifically low-income and racial/ethnic minority older adults who have been unserved by existing clinic-based models of care. Dr. Nieman is currently a Johns Hopkins AD-RCMAR Scientist.

Esther Oh, MD, PhD

Associate Professor of Medicine in the Division of Geriatric Medicine and Gerontology at Johns Hopkins School of Medicine

With a joint appointment in the Department of Psychiatry, Dr. Oh is the Co- Director of the Johns Hopkins Memory and Alzheimer’s Treatment Center. Through her R01-funded investigations, she aims to identify blood biomarkers of Alzheimer’s disease. She is also identified as one of the key mentors for students and residents with an interest in aging research within the division and is a clinician in the Memory Center at Johns Hopkins Bayview.

Keshia Pollack Porter, PhD, MPH

Professor in the Department of Health Policy and Management at Johns Hopkins School of Public Health

The Director of Health Policy Research Scholars and Co-Director of the Hopkins Center for Health Disparities Solutions Investigator Development Core, Dr. Porter’s research focuses on advancing policies that create safe and healthy environments and on optimizing the use of health impact assessment (HIA) and related approaches to advance health in all policies (HiAP) and health equity.

George W. Rebok, PhD, MA

Professor of Mental Health at JHSPH and is jointly appointed in the Department of Psychiatry at Johns Hopkins School of Medicine

Dr. Rebok will serve as the Multiple Principal Investigator and one of the Program Directors of the training program. See Section B1 for additional information about his background and role in the program.

Quincy Samus, PhD

Associate Professor in the Department of Psychiatry and Brain Sciences at Johns Hopkins School of Medicine

Dr. Samus is a health services researcher. She is particularly interested in evaluating models of care for dementia patients that can improve patient, family, and system-centered outcomes.

Adam Spira, PhD

Professor in the Department of Mental Health at Johns Hopkins School of Public Health

Dr. Spira has a joint appointment in the Department of Psychiatry and Behavioral Sciences at the Johns Hopkins School of Medicine and is a core faculty member of the Johns Hopkins Center on Aging and Health. His research focuses on the association of sleep disturbance with cognitive and functional decline and neuroimaging outcomes, with a particular interest in Alzheimer’s disease.

Sarah Szanton, PhD, ANP, FAAN

Professor in the School of Nursing

Dr. Szanton leads efforts to study interdisciplinary interventions to address social determinants of health among older community-dwelling adults. She has 5 NIH-funded interventions currently underway where she serves as the principal investigator or co-principal investigator.

Roland J. Thorpe, Jr., PhD

Professor in the Department of Health, Behavior, and Society at Johns Hopkins School of Public Health

Dr. Thorpe’s research is focused on health disparities, particularly as they pertain to functional and health outcomes in older African Americans. He is the Co-PI of the AD Resource Center for Minority Aging Research (AD-RCMAR). Dr. Thorpe will serve as the Contact Principal Investigator and one of the Program Directors of the training program. See Section B1 for additional information about his background and role in the program.

Jeremy D. Walston, MD

Raymond and Anna Lublin Professor of Geriatric Medicine at Johns Hopkins School of Medicine

Dr. Walston is the Principal Investigator of the Johns Hopkins Older Americans Independence Center (OAIC), the Co-Director of the Biology of Healthy Aging Program, and a founding member of the Johns Hopkins Center on Aging and Health. His work focuses on translational aging research in the measurement of frailty and in the study of its underlying biological etiology, including chronic inflammation, the angiotensin system, and mitochondrial biology.

Amal Wanigatunga, PhD, MPH

Assistant Scientist in the Department of Epidemiology at Johns Hopkins School of Public Health

Dr. Wanigatunga’s research focuses on ways to combat age-related declines in physical activity, and corresponding increases in sedentary behavior. Dr. Wanigatunga is currently a Johns Hopkins AD-RCMAR Scientist.

Jennifer Wolff, PhD

Professor in the Department of Health Policy and Management at Johns Hopkins School of Public Health

Dr. Wolff is a health services researcher, and her particular research interest is the experience of family caregivers, for which she has 6 ongoing funded studies, including two R01 grants (Principal Investigator on one, Multi- PI on the other). She is the MPI of the newly funded Johns Hopkins Health Economics of Alzheimer’s Disease Services (HEADS) Center.

Sevil Yasar, MD, PhD

Associate Professor of Medicine in the Division of Geriatric Medicine and Gerontology at Johns Hopkins School of Medicine

Dr. Ysar’s research focuses primarily on cardiovascular risk factors in late life memory disorders.

Qian-Li Xue, PhD

Associate Professor of Medicine in the Division of Geriatric Medicine and Gerontology at Johns Hopkins School of Medicine

Dr. Qian-Li Xue has over two decades of expertise in quantitative analyses. His research focuses on the intersection between physical frailty and cognitive impairments, with the goal of better understanding potential causal mechanisms underlying their joint vs. separate development.