Gerbeau went to school in Formby and graduated from Bristol University with a BA in French and German.

[citation needed] She started her television career as a presenter on HTV West.

In December 2004 she joined Five, and co-presented the two-hour long Golden Mummy Tomb Opening Live with Guy de la Bédoyère from Bahariya in Egypt's Western Desert, featuring the Egyptian archaeologist Zahi Hawass.

[3] In 2019-2020 Kate worked with Slater and Gordon Lawyers on a series of podcasts exploring the stories of those who have gone through the civil justice system, and the legal teams who supported them through it.

[4] Since March 2023, she has been the presenter of Frontline on Times Radio, as well as on its YouTube channel.