Emma Saunders is a data visualisation and app designer/developer who loves helping people grow their technical skills with clarity and confidence. With over a decade of teaching experience and nearly one million students, she creates courses that break down complex topics into simple, practical steps. Emma specialises in frontend app development, D3/Vega visualisation, Power BI custom visuals, SQL, and Palantir Foundry. Through her company, Viz Data Ltd, and her work building Skillpatch, she is passionate about making learning accessible, enjoyable, and empowering for students at every level.