• Henrietta Ridley UNICEF

    Henrietta is the Chief AI and lead of the Global AI Hub at UNICEF. Appointed in July 2025, she is responsible for shaping and executing UNICEF's global AI strategy, ensuring the responsible, ethical, and effective use of artificial intelligence to accelerate results for children worldwide. Prior to joining UNICEF, Henrietta spent over a decade in AI and data science consulting. She led Accenture’s UK Data Science team and, most recently, headed a large-scale AI transformation programme at a major UK bank, delivering solutions from RAG-based chatbots to scalable GenAI platforms. Her technical expertise spans a wide range of disciplines, including building synthetic data pipelines with diffusion models and Variational Autoencoders, developing computer vision tools, and using reinforcement learning for optimisation.