Associate Faculty
![aboumatar](/sites/default/files/styles/profile_square/public/2023-04/ha.jpg?h=cb62368e&itok=zXU9COr0)
Hanan J. Aboumatar, MD, MPH
Research Interests: healthcare professionals' education; patient safety and health care quality; patient activation and empowerment; patient-centered care; healthcare communications
![Sonia Angell smiles for a photo.](/sites/default/files/styles/profile_square/public/2024-05/soniaangell.jpg?h=6d0988f8&itok=JCULjdSc)
Sonia Angell, MD, MPH
Department of Epidemiology
Bloomberg School of Public Health
Johns Hopkins University
Research Interests: public health, population health, health policy, health equity, systems change, social determinants of health, food systems, climate change, planetary Health
![Shoshana Ballew Shoshana Ballew, PhD](/sites/default/files/styles/profile_square/public/2023-04/sb.jpg?h=0ed85803&itok=55DoMV6q)
Shoshana H. Ballew, PhD
DEPARTMENT OF EPIDEMIOLOGY
Bloomberg School of Public Health
Johns Hopkins University
Research Interests: chronic kidney disease, cardiovascular disease, aging
![blaha](/sites/default/files/styles/profile_square/public/2023-04/blaha.jpg?h=e6221b2e&itok=m0wsku2N)
Michael J. Blaha, MD, MPH
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](/sites/default/files/styles/profile_square/public/2023-04/tbrown.jpg?h=d6a94ac7&itok=w5ddz1Uw)
Todd T. Brown, MD, PhD
Research Interests: body composition, metabolic, and skeletal abnormalities in HIV-infected patients
![Ariana Chao smiles for a photo.](/sites/default/files/styles/profile_square/public/2024-05/chao-a-65-hi-res.jpg?h=05b99bc3&itok=jrZk0_vT)
Ariana Chao, PHD, CRNP, RN
School of Nursing
Johns Hopkins University
Research Interests: chronic care, diabetes, disparities, health behavior, mental health, obesity, quantitative research methods/statistics, social determinants of health
![Jeanne Charleston smiles for a photo](/sites/default/files/styles/profile_square/public/2023-04/jch.jpg?h=f5beaff2&itok=vVPKkTkR)
Jeanne Charleston, PhD
Research Interests: cardiovascular disease and hypertension, diabetes mellitus and obesity, kidney disease, health disparities
![Josef Coresh Josef Coresh](/sites/default/files/styles/profile_square/public/2023-11/josefcoresh.jpg?h=6a5cc7cb&itok=Zjcm9ej1)
Josef Coresh, MD, PhD
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
![JCO](/sites/default/files/styles/profile_square/public/2023-04/jco.jpg?h=abb950c7&itok=tUZ38Xdj)
Janelle W. Coughlin, PhD
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
![AD](/sites/default/files/styles/profile_square/public/2023-04/dalcin-2019.jpg?h=4eadab8c&itok=MNtBBQFE)
Arlene T. Dalcin, RD, MS
Research Interests: cancer, cardiovascular disease and hypertension, diabetes mellitus and obesity, mental illness and substance abuse
![JD](/sites/default/files/styles/profile_square/public/2023-04/deal-2019.jpg?h=eeff223e&itok=-AF36zFc)
Jennifer A. Deal, MHS, PhD
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
![Alejandra Ellison-Barnes smiles for a photo.](/sites/default/files/styles/profile_square/public/2024-05/aebhs.jpg?h=93db1be8&itok=ZP9qk_5o)
Alejandra Ellison-Barnes, MD, MPH
Division of General Internal Medicine
Johns Hopkins University
Research Interests: prevention of chronic disease over the life course, social determinants of health, obesity, tobacco
![JF](/sites/default/files/styles/profile_square/public/2023-04/jf.jpg?h=4a7038da&itok=iC3nDkjb)
Jeffery J. Fadrowski, MD
Research Interests: vaccines in post transplant patients; quality of life in pediatric renal transplant recipients
![JG](/sites/default/files/styles/profile_square/public/2023-04/jg.jpg?h=5f6aab52&itok=10tEfK-F)
Joseph Gallo, MD
Research Interests: primary health care and community settings, mixed methods in health services research, comorbidity of mental and physical health
![AG](/sites/default/files/styles/profile_square/public/2023-04/ag.jpg?h=4d56061b&itok=QaMT6lnL)
Allan C. Gelber, MD, MPH, PhD
Deputy Director for Education and Faculty Development, Division of Rheumatology
Research Interests: clinical epidemiology of the rheumatic disorders
![JGR](/sites/default/files/styles/profile_square/public/2023-04/jgr.jpg?h=0aef71d4&itok=8eQL-fDT)
John Groopman, PhD
Edyth H. Schoenrich Professorship in Preventive Medicine
Research Interests: environmental health sciences, chemical carcinogenesis; environmental carcinogenesis; chemoprevention; cancer prevention and control
![AGR](/sites/default/files/styles/profile_square/public/2023-04/gross-updated.jpg?h=d959636a&itok=CzqKaccl)
Alden L. Gross, PhD
Research Interests: measurement harmonization; cognition; aging; latent variable methods; psychometric measurement; longitudinal analysis; Alzheimer's disease; neuropsychology
![MH](/sites/default/files/styles/profile_square/public/2023-04/mh.jpg?h=89c8c66a&itok=ZUzYw7s1)
Marc K. Halushka, MD, PhD
Deputy Director of Education, Department of Pathology
Research Interests: cardiac transplantation; sudden cardiac death; endothelial cell biology; microRNA expression
![Megan Henry Megan Henry](/sites/default/files/styles/profile_square/public/2023-09/img9815.jpeg?h=4e3832cc&itok=L0etEYG1)
![Chidinma Ibe, PhD](/sites/default/files/styles/profile_square/public/2023-04/ibe.jpg?h=7f82994c&itok=aidGYmFz)
![BJ](/sites/default/files/styles/profile_square/public/2023-04/bj.jpg?h=dd07c301&itok=bobHLcZB)
Bernard G. Jaar, MD
Research Interests: renal disease; peripheral arterial disease dialysis; hospital readmissions; end-stage renal disease; lead nephropathy; chronic kidney disease
![Michelle Johansen, MD](/sites/default/files/styles/profile_square/public/2023-04/johansen.jpg?h=23fdbf02&itok=jE6Jcn64)
Michelle C. Johansen, MD
Research Interests: cardioembolic stroke; stroke; cerebrovascular disease
![VK](/sites/default/files/styles/profile_square/public/2023-04/vk.jpg?h=e8c4feba&itok=jhupI4KH)
Rita R. Kalyani, MD, MHS
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
![FL](/sites/default/files/styles/profile_square/public/2023-04/fl.jpg?h=658ce92d&itok=0wHzvYbn)
Frank R. Lin, MD, PhD
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](/sites/default/files/styles/profile_square/public/2023-04/magge.jpg?h=55dd8abf&itok=vIxvjV_k)
Sheela N. Magge, MD, MSCE
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](/sites/default/files/styles/profile_square/public/2023-04/marklund.jpg?h=965f56ed&itok=cpjYo4OR)
![SM](/sites/default/files/styles/profile_square/public/2023-04/martin-2019.jpg?h=1c157a90&itok=kMX_je5X)
Seth S. Martin, MD, MHS
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.](/sites/default/files/styles/profile_square/public/2024-03/nestorasmathioudakis.jpg?h=fe04313c&itok=qHRtjwT8)
Nestoras Nicolas Mathioudakis, MD, MHS
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](/sites/default/files/styles/profile_square/public/2023-04/matthews.jpg?h=d2f65bb5&itok=D-nZUAkD)
![EM](/sites/default/files/styles/profile_square/public/2023-04/michos-2019.jpg?h=658ce92d&itok=j5DO2FPl)
Erin D. Michos, MD, MHS
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
![CM](/sites/default/files/styles/profile_square/public/2023-04/cm.jpg?h=232062ea&itok=88slUuxh)
Christine Mitchell, ScM
Research Interests: cochlear implants; childhood development; epidemiology; quality of life; vitamin D; falls; data management; data analysis
![Yejin Mok](/sites/default/files/styles/profile_square/public/2023-04/ym-jhu2.jpg?h=4f6d6c05&itok=tVvA0ITi)
Yejin Mok, PhD
Research Interests: cardiovascular disease; venous disease; lymphatic disease; cancer; chronic kidney disease; risk prediction
![Chiadi Ndumele](/sites/default/files/styles/profile_square/public/2023-04/ndumele.jpg?h=164a44cb&itok=JDLwI22h)
Chiadi Ndumele, MD, MHS
Research Interests: obesity and cardiovascular disease
![dinesh neupane dinesh neupane](/sites/default/files/styles/profile_square/public/2023-08/dineshneupane.jpg?h=52ac292f&itok=J_KM87Fq)
![Dr. Bunmi Ogungbe smiles for a professional photo](/sites/default/files/styles/profile_square/public/2024-03/bunmiogungbe.jpg?h=9b190831&itok=6jtLFFv5)
Bunmi Ogungbe, PHD, MPH, BNSC, RN
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
![parikh](/sites/default/files/styles/profile_square/public/2023-04/parikh.jpg?h=990d8bba&itok=UA-vrSkA)
Chirag R. Parikh, MBBS, PhD
Ronald Peterson Professor of Medicine
Director, Division of Nephrology
Research Interests: biomarkers; transnational research; kidney disease; epidemiology
![Eliana Perrin](/sites/default/files/styles/profile_square/public/2023-04/perrin-eliana-headshot-iah.jpg?h=a3405036&itok=2k_BciRJ)
Eliana M. Perrin, MD, MPH, FAAP
Department of Pediatrics, School of Medicine
School of Nursing
Research Interests: patient-oriented primary care, childhood obesity, health disparities research, injury prevention, health literacy
![EP](/sites/default/files/styles/profile_square/public/2023-04/ep.jpg?h=19efb318&itok=UsFpnNm3)
Elizabeth A. Platz, MPH, ScD
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
![WP](/sites/default/files/styles/profile_square/public/2023-04/post-2019.jpg?h=13d8f77b&itok=NdvVsK3u)
Wendy S. Post, MD, MS
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
![Kristin Riekert smiles for a professional photo.](/sites/default/files/styles/profile_square/public/2024-05/kristinriekert.jpg?h=6e4c1594&itok=5vBZUgGg)
Kristin A. Riekert, PhD
Director, The Johns Hopkins Adherence Research Center
Director, Cystic Fibrosis Adherence Program
Research Interests: Objective measurement of adherence; Psychosocial predictors of adherence in adolescents and young adults with chronic illnesses; Evaluating the efficacy of new interventions to support self-management; Identifying best practices for disseminating and implementing self-management interventions into regular clinical care or direct to patients; Transitioning responsibility for health behaviors and care from parent to patient; Health disparities
![JSH](/sites/default/files/styles/profile_square/public/2023-04/jsh.jpg?h=22c8b2bf&itok=tt1T_vLG)
Jennifer A. Schrack, PhD, MS
Research Interests: physical activity; aging
![JSE](/sites/default/files/styles/profile_square/public/2023-04/jse.jpg?h=4c8e4959&itok=CPGyl-AE)
Jodi B. Segal, MD, MPH
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
![RS](/sites/default/files/styles/profile_square/public/2023-04/rs.jpg?h=8829e634&itok=D8g_Ikft)
A. Richey Sharrett, MD
Research Interests: cardiovascular disease and hypertension, mental illness and substance abuse
![Erin Spaulding Erin Spaulding](/sites/default/files/styles/profile_square/public/2023-08/erinspaulding_1.jpg?h=20c60a8d&itok=28PtIjnD)
Erin Spaulding PhD, BSN, RN
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
![RS](/sites/default/files/styles/profile_square/public/2023-04/as.jpg?h=e5499c99&itok=yWWpB0lU)
Alfred Sommer, MD, MHS
Professor of Epidemiology
Research Interests: epidemiology; international health; ophthalmology; vitamin A; blindness prevention; glaucoma; visual disorders; micronutrients; clinical guidelines
![SS](/sites/default/files/styles/profile_square/public/2023-04/ss.jpg?h=c14d372b&itok=8NkpzZKS)
Stephen Sozio, MD, MHS
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](/sites/default/files/styles/profile_square/public/2023-08/valeriesullivan.jpg?h=ee7ef961&itok=BVC_boXf)
![MS](/sites/default/files/styles/profile_square/public/2023-04/szklo.jpg?h=ae231ce8&itok=fWDn84us)
Moyses Szklo, MD, MPH
University Distinguished Service Professor
Research Interests: subclinical atherosclerosis, cardiovascular risk factors in adolescents
![Keenan Walker](/sites/default/files/styles/profile_square/public/2023-09/keenanwalker-headshot.jpg?h=0bc54737&itok=6Cc7PqsK)
Keenan Walker, PhD
![Christina Yuan smiles for a photo.](/sites/default/files/styles/profile_square/public/2024-05/yuanchristina.jpg?h=05fe63b1&itok=N3FOjXbU)
Christina T. Yuan, PhD, MPH
Bloomberg School of Public Health
Johns Hopkins University
Research Interests: implementation science, health care management, organizational behavior, qualitative research, social network analysis, mental health
![SZ](/sites/default/files/styles/profile_square/public/2023-04/zeger-2019.jpg?h=e46f0375&itok=260RyWwm)
Scott L. Zeger, PhD
Research Interests: cancer; mental illness and substance abuse; pneumonia
![Di Zhao](/sites/default/files/styles/profile_square/public/2023-04/zhao.jpg?h=f97b28dc&itok=fXZI6JyL)