Foster, who is half Swedish, was born and raised in England. He graduated from Cardiff University with a degree in Business Administration. He went on to complete his postgraduate studies in Broadcast Journalism at Highbury College in Portsmouth. He is married and currently resides with his wife and three children in Berkshire.

Early Career in Journalism

Foster began his broadcasting career at the age of 16, hosting a weekly program on Hospital Radio Swindon. During his university years, he gained experience as a reporter at the local BBC office. He was later offered a position at BBC Radio Five, which led to a two-year stint at BBC Wiltshire Sound. At the age of 24, he moved to the BBC World Service before transitioning to BBC Television, where he anchored business-focused programs such as Business Breakfast on BBC World and the Working Lunch show.