Bellingham was born in Buckrose, East Riding of Yorkshire, and educated at the independent Mount School[2] in York, followed by the Oxford University, where she studied physics.
A BBC Schools producer saw her perform and she was offered a presenting role on a new Design and Technology programme called Techno.
She returned to her engineering training, but then applied for Tomorrow's World and joined the team of presenters working on the show in 1990 for four years.
Programmes she has presented include: After around five years of regular television work, hosting numerous live events and presenting corporate video programmes, Bellingham decided to focus first on her young family and then to follow her core professional interest by returning to university to secure an MSc in Electronics.
[8] She is also a Patron of WISE, a charitable organisation that encourages young women to pursue careers in Science, Engineering and Construction.