John R. N. Taylor is an emeritus professor at the University of Pretoria specializing in grain science and nutrition in Africa. He is also advisor to the Kenya-based Fortified Whole Grain Alliance. He is the author of numerous research papers and book chapters on sorghum and millets and other grains. He has been an editor of several books, most recently the ICC Handbook of 21st Century Cereal Science and Technology, published by Academic Press in 2023. John is a fellow of the Cereal & Grains Association, the International Association for Cereal Science and Technology, and the International Academy of Food Science and Technology.

Kwaku Gyebi Duodu is professor of food science and head of the Department of Consumer and Food Sciences at the University of Pretoria in South Africa. He is involved in undergraduate and postgraduate teaching in cereal science and technology, food chemistry, and food engineering. His research focuses on the health-promoting properties of African grains (cereals and legumes) and their foods where he studies metabolomic profiling, chemistry and bioactivity of phenolic compounds. He also conducts research in nutritional aspects of African grain-based foods with a focus on mineral bioaccessibility and protein quality. He has authored several research papers and book chapters on the quality, nutritional, and health-promoting properties of sorghum and millets and other grains.