Carol Vorderman MBE is one of Britain's most well-known TV presenters and is renowned for her mathematical skills. She has hosted numerous TV shows, from Tomorrow's World to How 2, and was co-host of Channel' 4's Countdown for 26 years. A Cambridge University engineering graduate, she has a passion for communicating science and technology and has a keen interest in coding. Craig Steele is a specialist in Computing Science education. He is a Project Manager for CoderDojo Scotland, which runs free coding clubs for young people. Craig has previously worked for the Raspberry Pi Foundation, Glasgow Science Centre, and the BBC micro-bit project.