Tista brings with her over 15 years of experience in education, research and evaluation and quantitative data management and analysis. Her extensive background for both private and government institutions has led her to focus on quantitative data. Tista is currently a data consultant for the Visible Learningplus team. As part of her role, Tista has been responsible for operationalising of all evaluation and programme tools globally. In addition it is her role to manage, analyse and report on evaluation data. She is also one of the main contributors in the development of Visible Learning plus product and tools.