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Associate Faculty


Hanan J. Aboumatar, MD, MPH

Associate Professor of Medicine

Research Interests: healthcare professionals' education; patient safety and health care quality; patient activation and empowerment; patient-centered care; healthcare communications 



Shoshana Ballew, PhD

Shoshana H. Ballew, PhD


Research Interests: chronic kidney disease, cardiovascular disease, aging


Michael J. Blaha, MD, MPH

Professor of Cardiology and Epidemiology
Director of Clinical Research, Ciccarone Center for the Prevention of Cardiovascular Disease

Research Interests: primary prevention of heart disease and stroke; advanced subclinical atherosclerosis



Todd Brown

Todd T. Brown, MD, PhD

Professor of Medicine

Research Interests: body composition, metabolic, and skeletal abnormalities in HIV-infected patients




Jeanne Charleston, PhD

Senior Research Associate, Department of Epidemiology

Research Interests: cardiovascular disease and hypertension, diabetes mellitus and obesity, kidney disease, health disparities



Yvonne Commodore-Mensah

Yvonne Commodore-Mensah, PhD, MHS, RN

Assistant Professor of Community-Public Health



Josef Coresh

Josef Coresh, MD, PhD

Founding Director, Optimal Aging Institute
Professor, Department of Population Health

Research Interests: vascular disease in the heart, brain and kidney using cohort studies to understand risk factors and biomarkers that can guide prevention of cardiovascular disease and kidney disease


Janelle W. Coughlin, PhD

Associate Professor of Psychiatry and Behavioral Sciences
Director, Obesity Behavioral Medicine Program
Associate Director, Center for Behavior and Health

Research Interests: diabetes mellitus and obesity, mental illness and substance abuse, eating disorders




Arlene T. Dalcin, RD, MS

Research Associate, Division of General Internal Medicine

Research Interests: cancer, cardiovascular disease and hypertension, diabetes mellitus and obesity, mental illness and substance abuse




Jennifer A. Deal, MHS, PhD

Assistant Scientist, Departments of Epidemiology and Otolaryngology-Head and Neck Surgery
Associate Director for Academic Training, Cochlear Center for Hearing and Public Health

Research Interests: cardiovascular disease and hypertension, diabetes mellitus and obesity, hearing dysfunction, cognitive decline and dementia; aging




Jeffery J. Fadrowski, MD

Associate Professor of Pediatrics

Research Interests: vaccines in post transplant patients; quality of life in pediatric renal transplant recipients




Joseph Gallo, MD

Professor of Mental Health

Research Interests: primary health care and community settings, mixed methods in health services research, comorbidity of mental and physical health




Allan C. Gelber, MD, MPH, PhD

Professor of Medicine
Deputy Director for Education and Faculty Development, Division of Rheumatology

Research Interests: clinical epidemiology of the rheumatic disorders




John Groopman, PhD

Professor of Environmental Health and Engineering
Edyth H. Schoenrich Professorship in Preventive Medicine

Research Interests: environmental health sciences, chemical carcinogenesis; environmental carcinogenesis; chemoprevention; cancer prevention and control




Alden L. Gross, PhD

Associate Professor of Epidemiology

Research Interests: measurement harmonization; cognition; aging; latent variable methods; psychometric measurement; longitudinal analysis; Alzheimer's disease; neuropsychology




Marc K. Halushka, MD, PhD

Professor of Pathology and Oncology
Deputy Director of Education, Department of Pathology

Research Interests: cardiac transplantation; sudden cardiac death; endothelial cell biology; microRNA expression



Megan Henry

Megan E. Henry, PhD

Assistant Scientist
Chidinma Ibe, PhD

Chidinma A. Ibe, PhD

Assistant Professor of Medicine




Bernard G. Jaar, MD

Assistant Professor of Medicine

Research Interests: renal disease; peripheral arterial disease dialysis; hospital readmissions; end-stage renal disease; lead nephropathy; chronic kidney disease



Michelle Johansen, MD

Michelle C. Johansen, MD

Assistant Professor of Neurology

Research Interests: cardioembolic stroke; stroke; cerebrovascular disease




Rita R. Kalyani, MD, MHS

Associate Professor of Medicine
Editor-in-Chief, Johns Hopkins Diabetes Guide
Director, Diabetes Management Service, Total Pancreatectomy Islet Auto Transplant Program

Research Interests: muscle loss and disability among older adults with diabetes; metabolic diseases in older adults; diabetes education; gender differences in diabetes and heart disease; glycemic outcomes of islet autotransplantation; diabetes epidemiology




Frank R. Lin, MD, PhD

Professor of Medicine and Otolaryngology - Head and Neck Surgery
Director, Cochlear Center for Hearing and Public Health, Johns Hopkins Bloomberg School of Public Health

Research Interests: hearing loss; aging; cognition/dementia; brain aging; epidemiology; policy



Sheela Magge, MD, MSCE

Sheela N. Magge, MD, MSCE

Associate Professor of Pediatrics
Director, Division of Pediatric Endocrinology

Research Interests: endocrine disorders in children and adolescents, particularly type 2 diabetes mellitus, pre-diabetes, obesity, congenital insulin resistance syndromes, congenital lipodystrophy and polycystic ovary syndrome



Matti Marklund, PhD

Matti Marklund, PhD

Senior Associate




Seth S. Martin, MD, MHS

Associate Professor of Medicine
Director, Advanced Lipid Disorders Program of the Ciccarone Center

Research Interests: cardiovascular risk assessment; dyslipidemia; mobile health technology; primary and secondary prevention of coronary heart disease; individuals with a family history of heart disease; improved strategies for management of cardiovascular risk factors; preventive cardiology; atherosclerosis imaging; lipids



Dr. Nestoras Mathioudakis smiles for a photo wearing his white coat.

Nestoras Nicolas Mathioudakis, MD, MHS

Co-Medical Director of Johns Hopkins Medicine Diabetes Prevention & Education Program
Associate Professor of Medicine

Research Interests: patient safety and quality; inpatient glucose management; type 2 diabetes mellitus; diabetic foot ulcers; type 1 diabetes; diabetes technology; machine learning; clinical decision support systems

Lena Matthews, MD

Lena M. Matthews, MD

Assistant Professor of Medicine




Mara McAdams-DeMarco, MS, PhD

Associate Professor of Epidemiology

Research Interests: epidemiology of aging, end-stage kidney disease; frailty; cognitive funcation; pharmacoepidemiology




Erin D. Michos, MD, MHS

Associate Professor of Medicine
Director of Women's Cardiovascular Health
Associate Director of Preventive Cardiology, the Ciccarone Center for the Prevention of Cardiovascular Disease

Research Interests: women and heart disease; vitamin D and cardiovascular health; preventive cardiology; subclinical atherosclerosis imaging; sex hormones and cardiovascular disease




Christine Mitchell, ScM

Research Associate, Department of Epidemiology

Research Interests: cochlear implants; childhood development; epidemiology; quality of life; vitamin D; falls; data management; data analysis



Yejin Mok

Yejin Mok, PhD

Research Associate, Department of Epidemiology

Research Interests: cardiovascular disease; venous disease; lymphatic disease; cancer; chronic kidney disease; risk prediction



Chiadi Ndumele

Chiadi Ndumele, MD, MHS

Associate Professor of Medicine

Research Interests: obesity and cardiovascular disease



dinesh neupane

Dinesh Neupane, PhD

Assistant Scientist
Dr. Bunmi Ogungbe smiles for a professional photo

Bunmi Ogungbe, PHD, MPH, BNSC, RN

Assistant Professor

Research Interests: big data, cardiovascular, community, COVID-19, disparities, equity, food is medicine, global, health technology, implementation science, public health, quantitative research methods/statistics, research recruitment methods


Chirag R. Parikh, MBBS, PhD

Professor of Medicine
Ronald Peterson Professor of Medicine
Director, Division of Nephrology

Research Interests: biomarkers; transnational research; kidney disease; epidemiology


Eliana Perrin

Eliana M. Perrin, MD, MPH, FAAP

Bloomberg Distinguished Professor
Department of Pediatrics, School of Medicine
School of Nursing

Research Interests: patient-oriented primary care, childhood obesity, health disparities research, injury prevention, health literacy




Elizabeth A. Platz, MPH, ScD

Professor of Epidemiology
Deputy Chair, Department of Epidemiology

Research Interests: epidemiology; prostate cancer incidence and recurrence; benign prostatic hyperplasia; colorectal cancer; adenomatous polyps; diet; lifestyle; race; genetics; epigenetics; telomeres; inflammation; insulin; obesity; sex steroid hormones; vitamin D




Wendy S. Post, MD, MS

Professor of Medicine
Director of Cardiovascular Research, Division of Cardiology
Director of Research, Johns Hopkins Cardiovascular Fellowship

Research Interests: cardiovascular and genetic epidemiology; subclinical atherosclerosis imaging; prediction and prevention of coronary heart disease and sudden cardiac death; cardiovascular disease in HIV



somnath saha

Somnath Saha, MD, MPH

Professor of Medicine

Research Interests: health equity; racial disparities in health care; workforce diversity; patient-clinician relationships; social determinants of health



Jennifer A. Schrack, PhD, MS

Associate Professor of Epidemiology

Research Interests: physical activity; aging




Jodi B. Segal, MD, MPH

Professor of Medicine
Director, Pharmacoepidemiology Program
Co-Director, Center for Drug Safety and Effectiveness
Associate Director, Center for Health Services and outcomes Research

Research Interests: comparative effectiveness research; pharmacoepidemiology; evidence synthesis; high-value healthcare




A. Richey Sharrett, MD

Adjunct Professor

Research Interests: cardiovascular disease and hypertension, mental illness and substance abuse



Erin Spaulding

Erin Spaulding PhD, BSN, RN

Assistant Professor
Johns Hopkins School of Nursing

Research Interests: primary and secondary prevention of cardiovascular disease, digital health interventions, digital access and literacy, digital health use for chronic disease management among older adults



Alfred Sommer, MD, MHS

Dean Emeritus, Johns Hopkins Bloomberg School of Public Health
Professor of Epidemiology

Research Interests: epidemiology; international health; ophthalmology; vitamin A; blindness prevention; glaucoma; visual disorders; micronutrients; clinical guidelines


Stephen Sozio, MD, MHS

Associate Professor of Medicine
Associate Director, Nephrology Fellowship Program
Co-Director, Johns Hopkins School of Medicine Epidemiology Course
Nathans Faculty Leader, Colleges Advisory Program

Research Interests: chronic kidney disease epidemiology; risk factors for stroke and cognitive impairment in patients with kidney disease, with a special interest in arterial calcification and stiffness; comparative effectiveness research in dialysis patients; medical education



Valerie Sullivan

Valerie Sullivan, PhD

Assistant Scientist

Moyses Szklo, MD, MPH

Professor of Epidemiology
University Distinguished Service Professor

Research Interests: subclinical atherosclerosis, cardiovascular risk factors in adolescents



Keenan Walker

Keenan Walker, PhD

Adjunct Assistant Professor of Neurology, Johns Hopkins School of Medicine

Scott L. Zeger, PhD

Professor of Biostatistics

Research Interests: cancer; mental illness and substance abuse; pneumonia



Di Zhao

Di Zhao, PhD

Assistant Scientist, Department of Epidemiology