Browse Staff by Office

Division of Digestive Diseases & Nutrition

Select staff are listed in alphabetical order by last name. Read a description of the Division of Digestive Diseases & Nutrition.

Name	Email Address	Phone Number	Title	Research Description
James, Stephen	stephen.james@nih.gov	301-594-7680	Director
Saslowsky, David	david.saslowsky@nih.gov	301-594-8876	Program Director Deputy Director	Career Development Programs (K awards)
Andersen, Dana	dana.andersen@nih.gov	410-868-0638	Program Director	Observational and Investigational Clinical Research; Biomedical Devices, Surgical Interventions, and Medications
Barthlett, Alexis	alexis.barthlett@nih.gov	301-594-8881	Program Specialist
Bock, Britny	britny.bock@nih.gov	301-827-6973	Program Specialist
Burgess-Beusse, Bonnie	bonnie.burgess-beusse@nih.gov	301-594-4726	Program Director	Liver cell, molecular and developmental biology; liver regeneration; bile, bilirubin and cholestasis
Cummings, Diana	diana.cummings@nih.gov	301-435-5991	Program Director	Gut-Brain Interactions in Nutrition and Obesity; Nutrient Sensing; Gastrointestinal Interoception; Neurobiology of Nausea and Vomiting
Densmore, Christine	christine.densmore@nih.gov	301-402-8714	Program Director	Institutional Training; Small Business Technology Development; Fellowship Director
Doo, Edward	edward.doo@nih.gov	301-451-4524	Program Director	Fatty Liver Disease; Genetic Liver Disease; HIV and Liver; Pediatric Liver Disease; Viral Hepatitis and Infectious Diseases
Evans, Mary	mary.evans@nih.gov	301-594-4578	Program Director	Multi-center Clinical Studies in Nutrition & Obesity; Nutrition Obesity Research Centers; Diet & Physical Activity Assessment Methodology
Garcia, Martha	martha.garcia@nih.gov	301-496-4726	Program Director	Mechanisms in drug-induced hepatotoxicity, molecular pathways in metabolic dysfunction-associated steatotic liver disease (MASLD), lipotoxicity.
Greenwel, Patricia	patricia.greenwel@nih.gov	301-435-1169	Program Director	Basic and Translational Gastrointestinal Developmental Biology, Stem Cell Biology, Neurogenesis, Epithelial Cell Biology, Lymphatics, and Pathogenesis of HIV-Related Disease
Hales, Craig	craig.hales@nih.gov	301-451-6585	Program Director	Clinical Obesity Prevention and Treatment
Hall, Sherry	sherry.hall@nih.gov	301-435-8150	Clinical Trialist
Hoofnagle, Jay	jay.hoofnagle@nih.gov	301-496-6555	Program Director	Basic and Clinical Research on Liver Diseases
Klapproth, Jan-Michael	jan-michael.klapproth@nih.gov	301-594-2443	Program Director	Alimentary Digestive Diseases, IBD, Celiac Disease, Diarrhea, Gastritis, Endoscopy
Loh, Katrina	katrina.loh@nih.gov	301-827-1079	Program Official
Lunsford, Robert	robert.lunsford@nih.gov	301-402-1379	Program Director	Host-microbial Interactions, Pathogenesis and Microbiomes
Maruvada, Padma	padma.maruvada@nih.gov	301-594-8884	Program Director	Nutrient Metabolism; Clinical Obesity and Nutrition
Nguyen, Khoa	khoa.nguyen2@nih.gov	240-743-8995	Health Program Specialist	HIV/AIDS comorbidities, complications, coinfections
Osganian, Stavroula	voula.osganian@nih.gov	301-827-6939	Program Director	Pediatric Clinical Obesity
Pawlikowska, Ludmila	ludmila.pawlikowska@nih.gov	301-480-9372	Program Director	Genetics and Genomics of Liver and Gastrointestinal Diseases; Obesity and Nutrition
Perrin, Peter	peter.perrin@nih.gov	301-451-3759	Program Director	Basic and Translational Mucosal Immunology and Inflammation
Ravichandran, Veerasamy	veerasamy.ravichandra@nih.gov	301-594-2388	Program Director	Bioinformatics, Computational Biology, Systems Biology, Data Science
Serrano, Jose	jose.serrano@nih.gov	301-594-8871	Program Director	Gastrointestinal Neuroendocrinology; Exocrine Pancreas; Pancreatitis; Drug Induced Liver Injury; Clinical Research on GI Diseases
Shea-Donohue, Terez	terez.shea-donohue@nih.gov	301-451-0092	Program Director	Basic and Translational Neurogastroenterology, Gastrointestinal Motility, Gastrointestinal Barrier Function, Mucosal Immunology and Inflammation
Sherker, Averell	averell.sherker@nih.gov	301-451-6207	Program Director	Autoimmune Liver Disease; Acute Liver Failure; Complications of Chronic Liver Disease; Gallbladder and Biliary Diseases; Liver Bioengineering and Biotechnology; Liver Cancer; Liver Transplantation
Snoddy, Celena	celena.snoddy@nih.gov	301-827-3467	Program Analyst
Torrance, Rebecca	rebecca.torrance@nih.gov	301-594-7024	Clinical Trialist
Unalp-Arida, Aynur	aynur.unalp-arida@nih.gov	301-594-8879	Program Director Clinical Trialist	Epidemiology, Clinical Trials, Digestive Diseases, and Nutrition
Van Raaphorst, Rebekah	saganra@niddk.nih.gov	301-594-0056	Clinical Trialist
Yanovski, Susan	susan.yanovski@nih.gov	301-594-8882	Senior Scientific Advisor for Clinical Obesity Research