5 ways to support workers’ nutrition, sleep and wellbeing

John Core
John Core is a culinary nutrition specialist with a career spanning professional kitchens, contract catering and nutrition education. He currently works as Culinary Nutrition Lead with Sodexo Ireland, where he brings together his experience as a chef and his expertise in nutrition to help people make better food choices in everyday settings. John’s career began in professional kitchens at the age of fifteen, eventually leading to roles overseeing large-scale contract catering operations. Through this experience, he became increasingly interested in a fundamental question: how can we bridge the gap between the food people regularly eat and the nutrition their bodies actually require? This became particularly relevant in workplaces, where busy schedules, sedentary lifestyles and convenience can all influence eating habits. Driven by this interest, John returned to education and, in 2020, achieved a First-Class Honours MSc in Applied Culinary Nutrition from TU Dublin. Today, John takes a practical, food-first approach to nutrition and wellbeing. He combines his professional culinary expertise with nutrition science to develop practical and accessible solutions for workplaces and schools. He also delivers seminars, mindful eating clinics and on-site pop-ups, helping people make healthier food choices that work in the context of everyday life. John is also the author of Nutrition for Normal People, published in 2024. The book translates key nutrition concepts into clear, everyday language, helping readers understand and apply nutrition principles without feeling overwhelmed.

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