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 Expert  726663

Expert in Human Nutrition, Trace-element Nutrition, Zinc Nutrition, Clinical Research

Available for your Consulting and Expert Witness Needs

Texas (TX)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise:

Listed with other top experts in: 

Expert is board certified in internal medicine and nutrition by the American Board of Internal Medicine, American Board of Nutrition and the American Board of Physician Nutrition Specialists. He received his MD from Vanderbilt University School of Medicine in 1958 and completed his internship in ward medicine and resident training in pathology in 1961. He also completed an additional research residency in medicine at the VA medical center in Nashville, TN in 1964 before returning to Vanderbilt University Hospital as a Chief Resident in medicine in 1965.

He has focused the majority of his professional career on reseraching and studying zinc deficiency in the field of clincial and human nutrition. His research focused mostly on the effects of zinc deficiency on the brain, DNA and RNA synthesis and the liver. He also does research on humans at various stages of the life cycle with a specific focus on neuropsychological function, the co-occurrence of zinc and iron deficiencies, and zinc kinetics.

His past research, workshops and seminars has been on zinc and copper in humans, factors affecting bioavailability of essential minerals in human nutrition, essentiality of zinc for human pregnancy, interactions among essential nutrients (e.g., iron, copper, folate) and the essentiality of zinc for brain development and function in rats and primates. He continues to do research on these topic expanding his workshops and seminars internationally.

He is a professor at a medical school and a member of a graduate school. He has served on committees of the World Health Organization, the International Atomic Energy Agency, the US National Academy of Sciences, the NIH, the USDA, and various NGOs including professional societies, The American Council on Science and Health, and the US Pharmacopoeia.

Expert has several consulting experiences including serving as a consultant medical staff at two different hospitals in the states of North Dakota and Texas. He has also served as a consultant for the National Heart Lung Blood Institute, for the FDA regarding drug products development, and for a private case concerning a case of presumed cadmium pollution. He has also served as a consultant for the International Nutritional Anemia Consult Group as part of the US-Agency for International Development (AID) efforts. His most recent consulting experience include providing expert consultation on the role of micronutrients in intellectual development as part of the UNESCO presentation in Crete.

He also has served as an expert witness for the US Post Office regarding a case of nutrition fraud and for the FTC on a case of nutrition fraud as well. He has experience giving testimony for the United States Government, Congress and House of Representatives on issues regarding nutrition, foreign agriculture and domestic agriculture.


clinical nutrition


human nutrition




nutrition assessment


zinc environmental effect


zinc deficiency

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Houston, Texas;  Pasadena, Texas;  Beaumont, Texas;  Baytown, Texas;  Sugar Land, Texas;  Port Arthur, Texas;  Galveston, Texas;  and Missouri City, Texas.

Year   Degree   Subject   Institution  
1958   MD   Medicine   Vanderbilt University School of Medicine  
1954   B.A.   General Studies   Ohio Wesleyan University  

Work History:
Years   Employer   Department   Title  

2006 to


Expert's Firm


Preventive Medicine


Professor Emeritus


2009 to




Nutrition Private Industry


Director of Human Nutrition Research


Career Accomplishments:

Expert is associated with the following professional affiliations: American College of Physicians, American Society for Nutrition (ASN), American Society for Clinical Nutrition (ASCN), Society for International Nutrition Research, International Society for Trace Element Research in Humans (ISTERH), International Society for Zinc Biology (ISZB), American Association for the Advancement of Science, the University of Texas Medical Branch Internal Medicine Society, and the Thomas Britingham Society.


Expert is Board Certified for the following boards: American Board of Internal Medicine, American Board of Nutrition, and the American Board of Physician Nutrition Specialists. He has also been licensed to work in Tennessee (inactive), North Dakota (inactive), Massachusetts (inactive) and Texas.

Professional Appointments

Expert's expertise in the field of nutrition and health has earned him multiple professional appointments such as chairman, director and president of several associations, institutions and committees including: ASN, AIN, ASCN, ISTERH, Human Nutrition Research, Committee on Food Additives Survey Data, American Diabetes Association, and the US Department of Agriculture. He has also been recognized as well as on fo the founding member of the ISZB. He is currently the Director of Nutrition Research.


Expert has been awarded the Future Leader Award by the Nutrition Foundation, the AMA Hull Gold Medal Award for Scientific Exhibit (with HC Meng), the Mead Johnson Award by American Institute of Nutrition and received special recognition at Vanderbilt University School of Medicine for his contributions in research, teaching and clinical nutrition and was recently recognized by the USDA Agricultural Research Service for service as Director of the USDA ARS Grand Forks Human Nutrition Research Center. He received the Raulin Award of the International Society for Trace Element Research in Humans.

Medical/Professional Internships

Expert finished his internship in ward medicine at Barnes Hospital in 1960, and his residency in Pathology at Vanderbilt University Hospital in 1961. He continued his residency as a Research Resident in ward medicine at Thayer Veterans Administration Hospital and completed it in 1964.

Publications and Patents Summary

Expert has over 165 peer review publications, over 100 non-peer articles and reviews, 8 chapter publications, 19 editorial publications and 23 consultant reports. He has 1 book publication.

Government Experience:
Years   Agency   Role   Description
1963 to   United States Public Health Service   Medical Director   Expert is currently serving as an inactive, reserve member of the USPHS.
1971 to 1984   US Department of Agriculture   Director   Expert served in the Agricultural Research Service and was ranked as Supervisory Medical Research Officer in 1984 as well as Senior Executive Service.
1956 to 1963   United States Public Health Service   Active Duty   Expert attended Commissioned Officers Training and Education Program for two years before becoming an Assistant Surgeon.

Consulting Services:
Selected Consulting Examples:
  • Expert was a Consultant for the National Heart Lung Blood Institute, NIH.
  • Expert was a Consultant for the Office of Orphan Drug Products Development administered by the FDA.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Expert was a Consultant for Niewald, Waldeck and Brown on a case of presumed cadmium pollution in 1990.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
2006 to 2007   Greece   Expert was an expert participant in the "Expert consultation on the role of micronutrients in intellectual development", UNESCO Participation Programme during the 2007 meeting of ISTERH in Crete.
2004 to   International (WHO)   Expert served on the Scientific Committee on Trace Metals of the Permanent Commission on Occupational Health, sponsored by the WHO, ILO, & EC. He is currently still a member of the this organization.

1987: Expert was part of the Ad hoc Committee working on Functional Significance of Mild Deficiencies in Geneva.

1977-74: He also served on the Scientific Committee on the Toxicology of Metals (SCTM), International Program for Chemical Safety (IPCS) meeting in Tokyo, Japan. The committees were sponsored by United Nations Environment Program (UNEP), the International Labor Organization (ILO), WHO, and the European Community (EC).

1996 to 2002   WHO: China, Australia   Expert worked as a Temporary Advisor to the WHO for Human Nutrition in Qinghai Province, PRC, and the Temporary Advisor to the WHO, IPCS Task Group for Environmental Health Criteria for Zinc, Adelaide, Australia.

Additional Skills and Services:

Expert has given numerous seminar and workshop presentations both nationally and internationally. His experience includes leading a workshop on Isotope Studies of the Bioavailability & Speciation of Essential Trace Elements, with Emphasis on Fe, Zn, & Se, Isotope Tracers in Human Nutrition Research presented in India, on Zinc in Pregnant Women, Infants & Children as part of UNICEF presented in Australia, Trace Elements in Atherosclerotic Cardiovascular Disease and a workshop on Community Nutrition hosted by the American Public Health Association. He continues to give lectures, seminar and lead workshops on trace elements and other subjects related to nutrition, zinc and health.


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