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Current Fellows in the Nutritional Epidemiology Branch

Meet the current fellows in the Nutritional Epidemiology Branch and learn about research training opportunities.

Gabriella Anic, Ph.D. - Postdoctoral Fellow

Gabriella Anic, Ph.D., joined the Nutritional Epidemiology Branch (NEB) as a Cancer Prevention Fellow in August 2013. She received both an M.P.H. (2007) and Ph.D. (2011) in epidemiology from the University of South Florida College of Public Health. Her doctoral dissertation work focused on the natural history of HPV infection in a multinational cohort of men. She then studied genetic and lifestyle risk factors associated with adult glioma during a postdoctoral fellowship in genetic and molecular epidemiology at the H. Lee Moffitt Cancer Center in Tampa, FL. Dr. Anic is currently working with her primary mentor, Demetrius Albanes, M.D., senior investigator, NEB, on the role of nutrients, including vitamins E and D and retinol, in the risk of various cancers and morality.

DCEG Publications (text and abstracts from our publications)

Hannah Arem, Ph.D., M.H.S. - Postdoctoral Fellow

Hannah Arem

Hannah Arem, Ph.D., M.H.S., joined the Nutritional Epidemiology Branch (NEB) as a predoctoral fellow through the Yale University-NCI Partnership Training Program. Her dissertation work focused on dietary risk factors for pancreatic cancer. Dr. Arem received her Ph.D. in Chronic disease Epidemiology from Yale in 2013.She now works as a postdoctoral fellow with Charles E. Matthews, Ph.D., investigator, NEB, and studies associations between physical activity, sedentary time, and cancer outcomes, particularly among cancer survivors.

DCEG Publications (text and abstracts from our publications)

Claire Bosire, Sc.D. - Postdoctoral Fellow

Claire Bosire, Sc.D., joined the Nutritional Epidemiology Branch (NEB) as a postdoctoral fellow in October 2013. Dr. Bosire earned her Sc.D. in nutritional epidemiology from the Harvard School of Public Health under the mentorship of Dr. Meir Stampfer, Professor of Epidemiology and Nutrition. Her doctoral work focused on dietary risk factors for prostate cancer. Prior to her doctoral studies, she served as a predoctoral fellow in the Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute.  She completed a dietetic internship and an M.S.P.H. in epidemiology from the University of Alabama at Birmingham and a B.Sc. in Nutrition and Dietetics from Egerton University in Kenya. Dr. Bosire is working with Sanford M. Dawsey, M.D., senior investigator, NEB, and Christian Abnet Ph.D., M.P.H., investigator, NEB, on projects related to the etiology and early detection of esophageal squamous cell carcinoma (ESCC).  Her interests lie in the nutritional epidemiology of cancer with a particular focus on cancer in Sub-Saharan Africa.

DCEG Publications (text and abstracts from our publications)

Arash Etemadi, M.D., Ph.D. - Postdoctoral Fellow

Arash Etemadi

Arash Etemadi, M.D., Ph.D., joined the Nutritional Epidemiology Branch (NEB) as a postdoctoral fellow in June 2010. He has an M.D. (1998), an M.P.H. (2003), and a Ph.D. in epidemiology (2007) from Tehran University of Medical Sciences (TUMS), Iran. As a result of Dr. Etemadi's interest in genetic epidemiology, he worked on familial aggregation of myopia and segregation analysis of refractive errors for his Ph.D. dissertation with Dr. Akbar Fotouhi from TUMS and Dr. Joan E. Bailey-Wilson from the Inherited Disease Research Branch, National Human Genome Research Institute, National Institutes of Health. Dr. Etemadi did a postdoctoral fellowship at the University of Maastricht in the Netherlands, working on polymorphisms in genes responsible for the metabolism of polycyclic aromatic hydrocarbons (PAH) and DNA repair in relation to esophageal cancer. In 2009, he was appointed as an Assistant Professor of Epidemiology at Tehran University of Medical Sciences, to work in the Digestive Disease Research Center. The main focus of his research is the molecular and genetic epidemiology of upper gastrointestinal cancers. He is also interested in other noncommunicable diseases, in particular obesity, metabolic syndrome, and non-alcoholic fatty liver disease (NAFLD). In NEB, Dr. Etemadi is working on esophageal cancer studies, especially in relation to PAH exposure and nutrition with his mentors Sanford M. Dawsey, M.D., senior investigator, NEB, and Christian Abnet Ph.D., M.P.H., investigator, NEB.

DCEG Publications (text and abstracts from our publications)

Kristin Guertin, Ph.D., M.P.H. - Postdoctoral Fellow

Kristin Guertin, Ph.D., M.P.H., joined the Nutritional Epidemiology Branch (NEB) as a postdoctoral fellow in 2012. She received an M.P.H. in chronic disease epidemiology from Yale University in 2008 and a Ph.D. in nutrition from Cornell University in 2012. Her doctoral research focused on a randomized trial of vitamin E and selenium, and she investigated the plausibility of effects on lung function decline. In NEB, Dr. Guertin is working with Rashmi Sinha, Ph.D., Deputy Chief of NEB, on the associations between diet and cancer risk, focusing on coffee and dietary metabolites.

DCEG Publications (text and abstracts from our publications)

Sarah Keadle, Ph.D., M.P.H. - Postdoctoral Fellow

Sarah Kozey Keadle, Ph.D., M.P.H., joined the Nutritional Epidemiology Branch (NEB) in June 2013 as a postdoctoral fellow in the Cancer Prevention Fellowship Program. She received a B.S. from Wake Forest University in health and exercise science in 2006 and an M.S. (2008) and Ph.D. (2012) in kinesiology from the University of Massachusetts, Amherst. Her studies focused broadly on measurement of physical activity and sedentary behavior and the association of these behaviors on health outcomes. Dr. Keadle’s dissertation was titled "The influence of free-living activity and inactivity on health outcomes and responsiveness to exercise training". In 2013, she completed her M.P.H. at Harvard University in quantitative methods. In NEB, Dr. Keadle works with Charles E. Matthews, Ph.D., investigator, NEB, on projects examining the dose-response relationship between physical activity, sedentary behavior and cancer prevention. Dr. Keadle is also interested in understanding the impact of different measurement tools on the interpretation of these relationships.

DCEG Publications (text and abstracts from our publications)

Tracy Layne, M.P.H. - Predoctoral Fellow

Tracy Layne, M.P.H., joined the Nutritional Epidemiology Branch (NEB) in August 2013 as a predoctoral fellow within the Yale University-NCI Cooperative Graduate Training Program in Cancer Epidemiology. Ms. Layne received her B.S. in biological sciences from Marymount Manhattan College in 2002 and an M.P.H. in epidemiology from Boston University School of Public Health in 2007. She was previously a Cancer Research Training Award fellow in the NCI Division of Cancer Control and Population Sciences Applied Research Program (2007-2008) and a research project coordinator at Memorial Sloan-Kettering Cancer Center (2008-2011), where she worked on the use of survivorship care plans and racial disparities in endometrial cancer. Under the primary mentorship of  Demetrius Albanes, M.D., senior investigator, NEB, Ms. Layne will examine vitamin D-cancer associations, with a particular focus on the influence of vitamin D on racial/ethnic cancer disparities.  

DCEG Publications (text and abstracts from our publications)

Erikka Loftfield, M.P.H. - Predoctoral Fellow

Erikka Loftfield, M.P.H., joined the Nutritional Epidemiology Branch (NEB) as a predoctoral fellow through the Yale University-NCI Partnership Training Program in August 2013. She earned a B.A. in biology with a concentration in neurobiology and behavior in 2005 from Cornell University and an M.P.H. in chronic disease epidemiology with a concentration in global health in 2012 from the Yale School of Public Health. While at Yale, Ms. Loftfield’s research in NEB focused on the effects of exercise on markers of inflammation in breast cancer survivors. Under the mentorship of Rashmi Sinha, Ph.D., Deputy Chief of NEB, and Neal D. Freedman, Ph.D., M.P.H., investigator, NEB, Ms. Loftfield  is exploring the associations of coffee consumption with various health outcomes, including oral health, mortality and melanoma, as well as markers of inflammation and immunity.

DCEG Publications (text and abstracts from our publications)

Sarah Nash, Ph.D., M.P.H. - Postdoctoral Fellow

Sarah Nash, Ph.D., M.P.H., joined the Nutritional Epidemiology Branch (NEB) as a Cancer Prevention Fellow. Dr Nash received a B.A. in archaeology and anthropology from Cambridge University, a Ph.D. in biological sciences from the University of Alaska, Fairbanks, and an M.P.H. from the Johns Hopkins Bloomberg School of Public Health. Her dissertation research focused on developing biomarkers of traditional and non-traditional food intake in an Alaska Native population, the Yup’ik, and applying these biomarkers to understand associations of dietary intake with chronic disease risk factors. Under the primary mentorship of Neal D. Freedman, Ph.D., M.P.H., NEB investigator, Dr. Nash is working on a variety of projects investigating the role of diet and tobacco use in cancer risk.

DCEG Publications (text and abstracts from our publications)

Shakira Nelson, Ph.D., M.P.H. - Postdoctoral Fellow

Shakira Nelson, Ph.D., M.P.H., joined the Nutritional Epidemiology Branch (NEB) as a Cancer Prevention Fellow. Dr. Nelson received her M.P.H in 2014 from the Johns Hopkins Bloomberg School of Public Health, with an emphasis in epidemiology, nutrition, and cancer prevention. She received her Ph.D. in nutritional immunology from Pennsylvania State University in 2013. Her doctoral research examined the effects of selenium, utilizing both in vitro and in vivo models to demonstrate beneficial effects of selenium supplementation on macrophage phenotypes in a mouse infection model that utilized the gastrointestinal nematode parasite, Nippostrongylus brasiliensis. For her transition to population-based studies, Shakira is working with Demetrius Albanes, M.D., NEB senior investigator, to examine the role of micronutrients in cancer etiology, prevention and survival. She will apply her laboratory background to examine these associations at the molecular and mechanistic level.  

DCEG Publications (text and abstracts from our publications)

Mary Playdon, M.P.H. - Predoctoral Fellow

Mary Playdon, M.P.H., joined the Nutritional Epidemiology Branch (NEB) as a predoctoral fellow through the Yale University-NCI Partnership Training Program. Mary completed a B.S. and M.P.H. at the Queensland University of Technology, Australia. Ms. Playdon is a registered clinical dietitian, practicing in both Australia and in England. She was previously Senior Clinical Research Dietitian for the Colorado State University Cancer Prevention Laboratory, and a Professional Research Associate for the University of Colorado Department of Endocrinology, Metabolism and Diabetes. Under the mentorship of Steven C. Moore, Ph.D., M.P.H., NEB investigator, and Rachael Stolzenberg-Solomon, Ph.D., M.P.H., R.D., NEB senior investigator, Ms. Playdon is exploring dietary metabolites as novel biomarkers of dietary intake and their role in cancer etiology.

DCEG Publications (text and abstracts from our publications)

Jose Ramon (“Ray”) Troche, M.P.H. - Predoctoral Fellow

Jose Ramon (“Ray”) Troche, M.P.H., joined the Nutritional Epidemiology Branch (NEB) in August 2013 as a predoctoral fellow within the Yale-NCI Cooperative Graduate Training Program in cancer epidemiology. He received both a B.A. in liberal studies in 2007 and an M.P.H. in biometry from San Diego State University in 2011.  He is conducting research and analyses under the primary mentorship of Christian Abnet Ph.D., M.P.H., investigator, NEB, using data from NHANES and the NIH-AARP Diet and Health Study. Mr. Troche plans to work on projects related to alcohol use, lung cancer, and gastrointestinal cancer.

DCEG Publications (text and abstracts from our publications)

Emily Vogtmann, Ph.D., M.P.H., - Postdoctoral Fellow

Emily Vogtmann, Ph.D.,M.P.H., joined the Nutritional Epidemiology Branch (NEB) as a Cancer Prevention Fellow in August 2013. She received an M.P.H. in International Health Epidemiology from the University of Michigan in 2009 where she investigated human papillomavirus knowledge and mortality trends for cervical cancer in Mexico. She received a Ph.D. in Epidemiology in 2013 from the University of Alabama at Birmingham. Her doctoral dissertation work focused on cruciferous vegetable intake, GST gene polymorphisms and colorectal cancer among men in Shanghai, China, and was completed in collaboration with the Shanghai Cancer Institute and Vanderbilt University Medical Center. In NEB, Dr. Vogtmann works with Christian Abnet Ph.D., M.P.H., senior investigator, to assess risk factors for upper gastrointestinal cancer, including the effect of the microbiome on cancer risk.

DCEG Publications (text and abstracts from our publications)

Qian Xiao, Ph.D., M.P.H. - Postdoctoral Fellow

Qian Xiao

Qian Xiao, Ph.D., M.P.H., joined the Nutritional Epidemiology Branch (NEB) as a Cancer Prevention Fellow in 2012. Dr. Xiao received her Ph.D. in biological sciences from the University of California at San Diego. Her doctoral dissertation focused on the role of muscle-derived molecules on neuronal differentiation. She received her M.P.H. in epidemiology from the University of Michigan, where she investigated environmental exposure to xenoestrogen and risk of inflammatory breast cancer in Egypt. She also studied cooking fat consumption and childhood growth in Colombian school children. In NEB, she works with Charles E. Matthews, Ph.D., investigator, NEB, Yikyung Park, Sc.D., NEB, and other investigators on a variety of projects examining the role of physical activity, nutrition, obesity and energy balance on cancer risk.

DCEG Publications (text and abstracts from our publications)

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Learn about research training opportunities in the Nutritional Epidemiology Branch.