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Participating Faculty

Raymond J. Carroll

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Program Director 
Distinguished Professor of Statistics
Epidemiology and Biostatistics, Nutrition and Toxicology

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Program Coordinators


Edward Dougherty
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Biomedical Engineering
Professor of Electrical Engineering


Nancy Turner

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Program Associate Director
Cancer Biology & Nutrition
Associate Professor of Nutrition


Participating Faculty


Bani Mallick
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Professor of Statistics


Robert Chapkin

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Professor of Nutrition


Rosemary Walzem

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Associate Professor of Nutrition


Joanne Lupton
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Professor and Allen
Chair of Nutrition


Guoyao Wu
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Professor of Nutrition


Clint Allred

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Assistant Professor of Nutrition


Joseph Sturino
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Assistant Professor of Nutrition


David Dahl
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Assistant Professor Statistics


Alan Dabney
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Assistant Professor Statistics


Brief Faculty Profiles

Raymond J. Carroll, Ph.D. Top of Page

Dr. Carroll is a Distinguished Professor at Texas A&M University, a special rank held by approximately 35 faculty members in the university. His main appointment is in the Department of Statistics, and he holds a secondary appointment in the Department of Biostatistics and Epidemiology. He is a member of the Faculty of Nutrition, a member of the Faculty of Toxicology, and the Director for Biostatistics and Epidemiological Research for the NIEHS-funded Center for Environmental and Rural Health.

Dr. Carroll is one of the world's foremost experts on problems of measurement error, data transformation and non-constant variation, and more generally on statistical regression modeling. His work has found application in a broad variety of fields, including marine biology, laboratory assay methods, econometrics, nutritional epidemiology and radiation epidemiology. He has just finished a three-year term as editor of Biometrics, the journal of the International Biometric Society, and he served previously as editor of the Journal of the American Statistical Association (Theory and Methods). He has won many honors in the profession, including the 1988 COPSS Presidents Award, given annually by the North American statistical societies to the outstanding statistician under the age of 40. He is an elected Fellow of all three major international statistical organizations. Dr. Carroll's enormous breadth of experience, and his history as a successful mentor of Ph.D. students, will add considerably to the training experience.

Dr. Carroll brings to this training program his interest in and focus on nutrition. For the past 10 years he has been the P.I. for an NCI-funded (CA-57030) statistical methodology research grant focusing on problems of nutrition. He has collaborated closely with biostatisticians and epidemiologists at the National Cancer Institute on problems of nutritional epidemiology, most notably with Dr. Laurence Freedman (now at Bar Ilan University in Israel) and Dr. Victor Kipnis. He was instrumental in the design of the so-called calibration study for the NCI-AARP nutrition and cancer longitudinal study, as well as in the NCI-OPEN study, one of the first major studies of biomarkers and food frequency questionnaires.

For the past three years, Dr. Carroll (along with Dr. Naisyin Wang) has worked closely with Drs. Joanne Lupton, Robert Chapkin and Nancy Turner of the Texas A&M Human Nutrition Group. Their work has resulted in three papers published or in press, one paper under review, two funded grant proposals, two grant proposals currently under review, and the graduation of two students with Ph.D.'s, Jeffrey Morris of Statistics and Mee Young Hong of Nutrition. This close working relationship between the two groups is a key feature of the proposed training program.
Send Email: carrollATstat.tamu.edu


Edward Dougherty, Ph.D. Top of Page

Dr. Dougherty has advised both Ph.D. and M.S. students in image and signal processing. All M.S. students are required to be a major contributor on at least one journal paper. Ph.D. students are required to be the lead author on at least three journal papers, and some have done substantially more. Since Dr. Dougherty has been a pioneer in the statistical design of nonlinear operators for image and signal processing, his students have contributed groundbreaking work in this area, especially in the area of random sets. One of Dr. Dougherty's Ph.D. students is Yidong Chen, who currently works in the Laboratory for Cancer Genetics at NHGRI, where he leads their imaging, computational, and statistical efforts in microarray analysis. He is well known in the field, having been the major contributor to the basic NHGRI image and ratio analysis system. Another of Dr. Dougherty's Ph.D. students, Robert Loce, is a principle scientist at Xerox Corporation and leads their team in the automatic design of imaging algorithms. A current student, Seungchan Kim, has played a major role in the development of the nonlinear prediction software currently being implemented by NHGRI. Dr. Dougherty has also co-advised students in other universities, including the Tampere University of Technology (Finland), the University of Sao Paulo (Brazil), and the National Institute for Telecommunications (France).
Send Email: edward@ee.tamu.edu


Nancy Turner, Ph.D.,C.N.S Top of Page

Dr. Turner is a research assistant professor who has worked closely with the other nutrition faculty participating in this Program, and with Drs. Carroll and N. Wang. She is on the editorial board for the Journal of Animal Science and is a regional associate editor for Nutrition Notes.
Send Email: nancy-turner@ansc.tamu.edu


Robert Chapkin, Ph.D. Top of Page

Dr. Chapkin is established in the areas of transmembrane signaling, protein kinase C signal transduction, and cell/molecular biology techniques. His research has been directed towards the modification of those processes by nutritional and pharmacological intervention. His work is supported by grants primarily from the National Cancer institute.
Send Email: r-chapkin@tamu.edu


Joanne. Lupton, Ph.D. Top of Page

Dr. Joanne R. Lupton's research focus is on the effect of diet on the gastrointestinal tract with particular emphasis on diet and colon cancer. She holds the William W. Allen Endowed Chair in Nutrition, which supplies a steady income to the laboratory for use as discretionary funds. She has already established a mentoring role for students in statistics. Specifically Christian Galindo and more recently Jeff Morris spent considerable time in Dr. Lupton's laboratory, both receiving Ph.D. degrees with Dr. Carroll in Statistics.
Send Email: jlupton@cvm.tamu.edu


Bani Mallick, Ph.D. Top of Page

Dr. Mallick joined Texas A&M University in 1998, and has recently been promoted to Associate Professor. He is a co- investigator (with Drs. Carroll and S. Wang) on their NCI-funded statistical methodology research grant, and a co-investigator (with Dr. Calvin) on the NIEHS Superfund grant. Dr. Mallick is well-known for his work on Bayesian statistical methodology, and more generally on Bayesian statistical computing.
Send Email: bmallick@stat.tamu.edu


Rosemary Walzem, Ph.D. Top of Page

Dr. Walzem's research program focuses primarily on lipoprotein biology. Lipoprotein metabolism is exquisitely responsive to diet, and possible relationships between diet-induced alterations in lipoprotein metabolism and carcinogenesis are largely uninvestigated. She joined Texas A&M University in 1999 as an Associate Professor. She is on the editorial board of Poultry Science and was awarded the Amorin Prize in 1995 for her contributions to the area of Wine and Health.
Send Email: rwalzem@poultry.tamu.edu


Clint Allred, Ph.D. Top of Page

Clint Allred, Ph.D. is currently a Assistant Professor in the Department of Nutrition and Food Science at Texas A&M University. Dr. Allred received his B.S. in Animal Science from the University of Georgia in 1997. He completed his Ph.D. in nutrition at the University of Illinois in 2002. He then served as a postdoctoral fellow in the department of pharmacology at the University of Kentucky College of Medicine until August of 2006.
Send Email: callred@tamu.edu


Joseph Sturino, Ph.D. Top of Page

Joseph Sturino, Ph.D. is currently a Assistant Professor in the Department of Nutrition and Food Science. Dr. Sturino's laboratory uses functional genomics (e.g., comparative genomics, targeted gene knockouts, Biolog phenotype microarrays, and oligonucleotide microarrays) to dissect the role of individual genes in coordinating interaction between gastrointestinal microorganisms (both pathogenic and probiotic) and their human host
Send Email: joseph.sturino@tamu.edu


David Dahl, Ph.D Top of Page

Dr. Dahl is Assistant Professor of Statistics. He focuses on protein structure prediction, developing Bayesian methods to predict the three dimensional structure of proteins given their amino acid sequence. He also works on statistical issues arising from next generation sequencing technologies. Dr. Dahl also develops Bayesian clustering methodology for genomics data.
Send Email: dahl@stat.tamu.edu


Alan Dabney, Ph.D Top of Page

Dr. Dabney is Assistant Professor of Statistics. His research interests are in development of statistical methodology for proteomics.
Send Email: adabney@stat.tamu.edu


Guoyao Wu, Ph.D. Top of Page

Dr. Wu is an expert on glutamine and arganine metabolism and how these molecules are involved in intestinal development of neonates, and in nitric oxide synthesis by mammalian cells. He also studies metabolic changes occurring in colonic epithelial cell.
Send Email: g-wu@tamu.edu