Rachel Riley – Wikipedia

Rachel Annabelle Riley (born 11 January 1986) is an English television presenter and mathematician.She co-presents the Channel 4 daytime puzzle show Countdown and its comedy spin-off 8 Out of 10 Cats Does Countdown.A mathematics graduate, her television debut came when she joined Countdown aged 22.. With an interest in popularising mathematics and the sciences, she has since co-presented The …

https://en.wikipedia.org/wiki/Rachel_Riley