A. Catharine Ross, PhD, received her undergraduate education at the University of California at Davis (zoology), and masters (MNS) in nutrition and PhD in biochemistry from Cornell University, Ithaca, NY. She was a postdoctoral fellow in the Department of Medicine, Columbia University. She began her academic career at the Medical College of Pennsylvania and moved to Pennsylvania State University in 1994. In 2022, she retired as Professor Emerita and occupant emerita of the Dorothy Foehr Huck Chair in the Department of Nutritional Sciences, Penn State. In 2023, she joined Texas A&M University, College Station, as Professor of Nutrition. Dr. Ross has conducted research on vitamin A nutrition and metabolism and on nutrition and immune function for more than four decades. She served as Editor-in-Chief of the Journal of Nutrition from 2004–2013, and was the senior Editor for the eleventh edition of Modern Nutrition in Health and Disease. She is a Fellow of the American Association for the Advancement of Science and the American Society for Nutrition, member of the National Academy of Science (USA), and has served on the Food Advisory Committee of the U.S. Food and Drug Administration, Food and Nutrition Board of the Health and Medicine Division of the National Academies, and Board of Scientific Counselors for the National Institute of Diabetes and Digestive and Kidney Diseases. She was awarded a Fulbright fellowship for teaching and research in Japan, 2017–2018.Benjamin Caballero is Professor of International Health at the Bloomberg School of Public Health, and Professor of Pediatrics at the School of Medicine, Johns Hopkins University. He received his M.D. degree from the University of Buenos Aires and his Ph.D. in neuroendocrine regulation from Massachusetts Institute of Technology. He has served on numerous national and international advisory panels, including the Food and Nutrition Board of the Institute of Medicine, the Dietary Guidelines for Americans Committee, the Food and Drug Administration Advisory Board, and several panels of the National Institutes of Health and the United States Department of Agriculture. His publications include the books Encyclopedia of Human Nutrition, The Nutrition Transition, Obesity in China, and Guide to Dietary Supplements, among others. He teaches the course Principles of Human Nutrition at the graduate program in nutrition at Johns Hopkins. He served as an editor for the tenth edition of Modern Nutrition in Health and Disease.Robert J. Cousins is the Boston Family Professor of Nutrition and Eminent Scholar at the University of Florida. He has a B.A. from the University of Vermont and a Ph.D. from the University of Connecticut and was a National Institutes of Health (NIH) Postdoctoral Fellow in Biochemistry at the University of Wisconsin. He has been President and Board Chair of the Federation of American Societies for Experimental Biology and President of the American Society for Nutrition (ASN). He has received numerous awards including the Mead Johnson Award, the Osborne and Mendel Award of the ASN, the NIH MERIT Award, the United States Department of Agriculture Secretary’s Honor Award, the American College of Nutrition Research Award, the Bristol-Myers Squibb/Mead Johnson Award for Distinguished Achievement in Biomedical (Nutrition) Research, the Dannon Institute Mentorship Award, and Distinguished Scientist Award from the International Society for Trace Element Research in Humans. He was elected to membership in the National Academy of Sciences in 2000. He is the editor of The Annual Review of Nutrition. His research is on the molecular and cell biology of zinc metabolism, nutrition, transport, and function. He teaches graduate courses in Mineral Nutrition and Analytical Techniques in Nutrition. He served as an editor for the tenth edition of Modern Nutrition in Health and Disease.Katherine L. Tucker, PhD, is Professor of Nutritional Epidemiology and Director of the Center for Population Health at the University of Massachusetts Lowell. From 1989–2009, she was a research scientist at the USDA Human Nutrition Research Center on Aging at Tufts University. She earned her PhD from Cornell University and her BSc from the University of Connecticut, both in nutritional sciences. Her research focuses on dietary intake, metabolism, and chronic disease (osteoporosis, diabetes, heart disease, and cognitive decline) in diverse populations, including as principal investigator of the Boston Puerto Rican Health Study, a longitudinal cohort. She is a past Chair of the Nutritional Sciences Council, past board member of the American Society for Nutrition (ASN), and served two terms on the Food and Nutrition Board of the Health and Medicine Division of the National Academies. She recently completed a 10-year term as Editor-in Chief of Advances in Nutrition, the ASN international review journal; prior to that she was an associate editor for The Journal of Nutrition. She is a Fellow of the ASN, the American Society for Bone and Mineral Research, and the Gerontological Society of America.

A. Catharine Ross, PhD, received her undergraduate education at the University of California at Davis (zoology), and masters (MNS) in nutrition and PhD in biochemistry from Cornell University, Ithaca, NY. She was a postdoctoral fellow in the Department of Medicine, Columbia University. She began her academic career at the Medical College of Pennsylvania and moved to Pennsylvania State University in 1994. In 2022, she retired as Professor Emerita and occupant emerita of the Dorothy Foehr Huck Chair in the Department of Nutritional Sciences, Penn State. In 2023, she joined Texas A&M University, College Station, as Professor of Nutrition. Dr. Ross has conducted research on vitamin A nutrition and metabolism and on nutrition and immune function for more than four decades. She served as Editor-in-Chief of the Journal of Nutrition from 2004–2013, and was the senior Editor for the eleventh edition of Modern Nutrition in Health and Disease. She is a Fellow of the American Association for the Advancement of Science and the American Society for Nutrition, member of the National Academy of Science (USA), and has served on the Food Advisory Committee of the U.S. Food and Drug Administration, Food and Nutrition Board of the Health and Medicine Division of the National Academies, and Board of Scientific Counselors for the National Institute of Diabetes and Digestive and Kidney Diseases. She was awarded a Fulbright fellowship for teaching and research in Japan, 2017–2018.Benjamin Caballero is Professor of International Health at the Bloomberg School of Public Health, and Professor of Pediatrics at the School of Medicine, Johns Hopkins University. He received his M.D. degree from the University of Buenos Aires and his Ph.D. in neuroendocrine regulation from Massachusetts Institute of Technology. He has served on numerous national and international advisory panels, including the Food and Nutrition Board of the Institute of Medicine, the Dietary Guidelines for Americans Committee, the Food and Drug Administration Advisory Board, and several panels of the National Institutes of Health and the United States Department of Agriculture. His publications include the books Encyclopedia of Human Nutrition, The Nutrition Transition, Obesity in China, and Guide to Dietary Supplements, among others. He teaches the course Principles of Human Nutrition at the graduate program in nutrition at Johns Hopkins. He served as an editor for the tenth edition of Modern Nutrition in Health and Disease.Robert J. Cousins is the Boston Family Professor of Nutrition and Eminent Scholar at the University of Florida. He has a B.A. from the University of Vermont and a Ph.D. from the University of Connecticut and was a National Institutes of Health (NIH) Postdoctoral Fellow in Biochemistry at the University of Wisconsin. He has been President and Board Chair of the Federation of American Societies for Experimental Biology and President of the American Society for Nutrition (ASN). He has received numerous awards including the Mead Johnson Award, the Osborne and Mendel Award of the ASN, the NIH MERIT Award, the United States Department of Agriculture Secretary’s Honor Award, the American College of Nutrition Research Award, the Bristol-Myers Squibb/Mead Johnson Award for Distinguished Achievement in Biomedical (Nutrition) Research, the Dannon Institute Mentorship Award, and Distinguished Scientist Award from the International Society for Trace Element Research in Humans. He was elected to membership in the National Academy of Sciences in 2000. He is the editor of The Annual Review of Nutrition. His research is on the molecular and cell biology of zinc metabolism, nutrition, transport, and function. He teaches graduate courses in Mineral Nutrition and Analytical Techniques in Nutrition. He served as an editor for the tenth edition of Modern Nutrition in Health and Disease.Katherine L. Tucker, PhD, is Professor of Nutritional Epidemiology and Director of the Center for Population Health at the University of Massachusetts Lowell. From 1989–2009, she was a research scientist at the USDA Human Nutrition Research Center on Aging at Tufts University. She earned her PhD from Cornell University and her BSc from the University of Connecticut, both in nutritional sciences. Her research focuses on dietary intake, metabolism, and chronic disease (osteoporosis, diabetes, heart disease, and cognitive decline) in diverse populations, including as principal investigator of the Boston Puerto Rican Health Study, a longitudinal cohort. She is a past Chair of the Nutritional Sciences Council, past board member of the American Society for Nutrition (ASN), and served two terms on the Food and Nutrition Board of the Health and Medicine Division of the National Academies. She recently completed a 10-year term as Editor-in Chief of Advances in Nutrition, the ASN international review journal; prior to that she was an associate editor for The Journal of Nutrition. She is a Fellow of the ASN, the American Society for Bone and Mineral Research, and the Gerontological Society of America.