Timothy Bhattacharyya portrait image

Timothy Bhattacharyya, M.D.

Head, Clinical and Investigative Orthopaedics Surgery Unit
Email: bhattacharyyat@mail.nih.gov

Dr. Bhattacharyya's research involves studying and analyzing orthopaedic outcomes using a variety of clinical data sources. His team is interested in hip fractures, hip infections, joint replacement, atypical femur fractures, and nonunions.

Isaac Brownell portrait image

Isaac Brownell, M.D., Ph.D.

Head, Cutaneous Development and Carcinogenesis Section
Investigator, Dermatology Branch
Email: Isaac.brownell@nih.gov

Dr. Brownell is a board-certified dermatologist and a fellow of the American Academy of Dermatology and directs a research program that includes basic, translational, and clinical investigations of skin homeostasis and skin cancer.

Rafael Casellas portrait image.

Rafael Casellas, Ph.D.

Chief, Laboratory of Molecular Immunogenetics
Adjunct Investigator, National Cancer Institute (NCI)
Email: casellar@mail.nih.gov

Dr. Casellas' lab main goal is to unravel the molecular mechanisms driving early development and peripheral activation of B lymphocytes.

Robert Colbert portrait image.

Robert Colbert, M.D., Ph.D.

Chief, Pediatric Translational Research Branch
Clinical Director, NIAMS
Email: colbertr@mail.nih.gov

The Colbert lab aims to understand the pathogenesis of chronic inflammation and its impact on structural remodeling of bone in spondyloarthritic diseases such as ankylosing spondylitis.

Edward Cohen portrait image.

Edward W. Cowen, M.D., M.H.Sc.

Acting Branch Chief, Dermatology Branch
Senior Clinician and Head, Dermatology Consultation Service
Email: cowene@mail.nih.gov

Dr. Edward W. Cowen leads the NIH Dermatology Consultation Service, conducts independent and collaborative research, and oversees the continuing medication education-accredited Dermatology Grand Rounds, Branch Clinical Fellowship and resident education programs.

Massimo Gadina portrait image.

Massimo Gadina, Ph.D.

Director, Office of Science and Technology
Chief, Translational Immunology Section
Email: gadinama@mail.nih.gov

Developing accurate and reproducible immune monitoring assays is essential to determine the immune responses in patients receiving novel immune therapies and ultimately transitioning these therapies from the clinical trial phase to standard of care. The goal of this section is to develop cutting edge immune monitoring technology.

Brian Glancy portrait image.

Brian Glancy, Ph.D.

Earl Stadtman Investigator, Muscle Energetics Laboratory
Email: brian.glancy@nih.gov

The focus of Dr. Glancy's lab is to determine how mitochondria are optimized within muscle cells to help maintain energy homeostasis during the large change in energy demand caused by muscle contraction.

Pravitt Gourh portrait image.

Pravitt Gourh, M.D.

Head, Scleroderma Genomics and Health Disparities Unit
Email: pravitt.gourh@nih.gov

Dr. Gourh is a board-certified rheumatologist with a long-standing interest in scleroderma and currently directs a translational research program focused on understanding the genetics of scleroderma, biomarker discovery, and disease classification.

Peter Grayson portrait image.

Peter Grayson, M.D.

Head, Vasculitis Translational Research Program
Email: peter.grayson@nih.gov

Dr. Grayson's research interests include clinical and translational research in vasculitis with a focus on biomarker discovery, gene expression profiling, clinical trials, and disease classification.

Portrait of Markus Hafner.

Markus Hafner, Ph.D.

Head, RNA Molecular Biology Group
Email: markus.hafner@nih.gov

Dr. Hafner's group focuses on dissecting the composition of ribonucleoproteins (RNPs) involved in cellular RNA transport and control of RNA stability. This is a prerequisite for understanding the consequences of dysregulation and/or mutation of RNA-binding proteins (RBPs), and/or their target RNA-binding sites in disease.

Sarafaz Hasni portrait image.

Sarfaraz Hasni, M.D.

Head, Lupus Clinical Trials Unit
Email: hasnisa@mail.nih.gov

The Lupus Clinical Trials Unit, led by Dr. Hasni, conducts innovative translational and clinical research into the causes, treatment, and prevention of lupus.

Mariana Kaplan portrait image.

Mariana Kaplan, M.D.

Chief, Systemic Autoimmunity Branch
Acting Director, Lupus Clinical Trials Unit
Email: mariana.kaplan@nih.gov

Dr. Kaplan's lab focuses on unraveling the fundamental mechanisms that lead to the development and perpetuation of systemic autoimmune disorders, particularly systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA), and their associated organ damage.

James D. Katz portrait image

James Katz, M.D.

Chief, Community Research and Care
Email: james.katz@nih.gov

Dr. Katz's clinical research is focuses on myositis and SLE. He is passionate about graduate medical education and interested in medical taxonomy.

Heidi Kong portrait image.

Heidi H. Kong, M.D., M.H.Sc

Head, Cutaneous Microbiome and Inflammation Section
Investigator, Dermatology Branch
Email: konghe@mail.nih.gov

Dr. Kong's section studies the skin microbiome in healthy individuals with the goal of expanding our understanding of host-microbe interactions. The section also works to understand the role of microbes in eczematous skin diseases, including atopic dermatitis.

Andrew Mammen portrait image.

Andrew Mammen, M.D., Ph.D.

Head, Muscle Disease Unit
Email: andrew.mammen@nih.gov

Dr. Mammen's research focuses on understanding the fundamental mechanisms of disease in different types of myositis, including dermatomyositis, polymyositis, statin-triggered necrotizing myopathy, and inclusion body myositis. The ultimate goal is to establish more effective treatments for patients with all forms of myositis.

Maria I. Morasso, Ph.D.

Maria Morasso, Ph.D.

Chief, Laboratory of Skin Biology
Email: morassom@mail.nih.gov

Dr. Morasso's research focuses on the molecular processes that contribute to epidermal differentiation and barrier formation, appendage development and the mechanisms underlying the pathologies of Ectodermal Dysplasias (EDs)

Keisuke Nagao portrait image.

Keisuke Nagao, M.D., Ph.D.

Head, Cutaneous Leukocyte Biology Section
Earl Stadtman Investigator, Dermatology Branch
Adjunct Investigator, National Cancer Institute (NCI)
Email: keisuke.nagao@nih.gov

Dr. Nagao’s research focuses on cellular and molecular mechanisms that regulate immunological and structural homeostasis in the skin.

Michael J. Ombrello portrait image

Michael Ombrello, M.D.

Head, Translational Genetics and Genomics Unit
Email: ombrellomj@mail.nih.gov

Dr. Ombrello's unit applies integrated genomic approaches to investigate autoinflammatory and rheumatic diseases, seeking to understand the mechanisms through which disease-associated genetic variants participate in disease pathophysiology.

Portrait of John O'Shea.

John O'Shea, M.D.

Chief, Molecular Immunology and Inflammation Branch
Scientific Director, NIAMS
Email: osheajo@mail.nih.gov

Dr. O'Shea’s lab studies how engagement of cytokine receptors transduce signals that, in turn, regulate transcription factors and epigenetic events to modulate gene expression. Another goal is to understand how T cells participate in host defense and contribute to the pathogenesis of immune-mediated diseases.


Davide Randazzo, Ph.D.

Chief, Light Imaging Section
Email: davide.randazzo@nih.gov

Our research focuses on the use of light microscopy techniques to elucidate poorly understood aspects of skeletal muscle cell biology, i.e. the organization of microtubules and their associated subcellular organelles, particularly the Golgi complex. We also strive to apply new modalities of light microscopy to the quantitative analysis of skeletal muscle pathologies.

Vittorio Sarorelli portrait image.

Vittorio Sartorelli, M.D.

Chief, Laboratory of Muscle Stem Cells and Gene Regulation
Deputy Scientific Director, NIAMS
Email: sartorev@mail.nih.gov

We study the cellular and molecular mechanisms subtending specification, differentiation, and regeneration of skeletal muscle cells. We pursue these studies by combining cellular and molecular biological approaches, genomic and proteomic-based systems-biology, bioinformatics, and animal models.

Keith Sikora portrait image

Keith Sikora, M.D.

Head, Juvenile Arthritis Pathogenesis Unit
Email: keith.sikora@nih.gov

The goal of Dr. Sikora's unit is to understand the mechanisms that underlie the development of inflammatory arthritis and cartilage inflammation in children. The unit studies juvenile-onset spondyloarthritis, which often develops into AS, a form of inflammatory arthritis.

Portrait of Martha Somerman.

Martha Somerman, D.D.S., Ph.D.

Chief, Laboratory of Oral Connective Tissue Biology
Email: somermanmj@mail.nih.gov

The Somerman lab studies the molecular biology of dental-oral-craniofacial development, with a focus on the periodontal complex. We aim to understand cells and signals influencing tooth, bone, and periodontal ligament development in order to identify improved regenerative strategies.

Michael Ward portrait image.

Michael Ward, M.D.

Chief, Clinical Trials and Outcomes Branch
Email: wardm1@mail.nih.gov

Our group studies health outcomes and outcome measures in patients with rheumatic diseases.

Paul Wingfield, Ph.D. portrait image

Paul Wingfield, Ph.D.

Chief, Protein Expression Laboratory
Email: wingfiep@mail.nih.gov

The NIAMS Protein Expression Laboratory, led by Dr. Wingfield, supports intramural NIH scientists in studying the structure and function of Human Immunodeficiency Virus (HIV) proteins. Most structural biology techniques, especially those for studying the three-dimensional structures of proteins, require large quantities of highly purified, monodisperse, and correctly folded proteins.

Last Updated: March 2020