Sandra Lehmann is Chief Actuary at Vitality South Africa (Discovery), leading actuarial, data science, data engineering, and governance teams. A Fellow of the Actuarial Society of South Africa with a developed specialisation in behavioural science, she brings a rare combination of analytical rigour and deep understanding of human behaviour to the question of how organisations unlock value from data and AI. A wide reader with an intense curiosity about AI and its intersection with leadership, she actively uses AI to power her own work and to amplify what her teams can deliver.