Sareh Heidari lives in London, UK, and is currently a Senior Software Engineer at BBC News. She cares about accessibility, web performance and ensuring user needs are centred when designing and building websites. She’s worked on sites with a global reach of millions of visitors a week. She enjoys learning about the ways that technology can be used to empower those most marginalized. In her spare time, she enjoys reading speculative fiction and going on day-long walks.