Professor Jonathan Powell is Head of Bio-Mineral Research at Cambridge University, where he and his team work with trace elements and mineral structures, especially nanoparticles, trying to identify their benefit to health as part of normal physiology. Prior to his current position, he was Head of Bio-mineral Research at the MRC’s Human Nutrition Research (‘‘HNR’’) Elsie Widdowson Laboratory in Cambridge. Within HNR, his work focused on the absorption of iron and diagnosis and treatment of iron deficiency; the role of minerals in inflammatory and anti-inflammatory processes of the gastrointestinal tract and the development of novel mineral-based therapeutics. Prof Powell and his team were the inventors of the patented technology behind IHAT which Nemysis Ltd acquired the licence from the MRC in late 2017.