Rachel Annabelle Riley MBE (born 11 January 1986) is a British television presenter.[2][3] She co-presents the Channel 4 daytime puzzle show Countdown and its comedy spin-off 8 Out of 10 Cats Does Countdown. She is a mathematics graduate.

Rachel Riley
MBE
Rachel Riley 2011.JPG
Riley in 2011
Born
Rachel Annabelle Riley
11 January 1986 (age 37)
Rochford, Essex, England[1]
Alma mater
Oriel College, Oxford
Occupation
Television presenter
Years active
2009–present
Employer(s)
Channel 4, Sky Sports
Spouses
Jamie Gilbert
​
​(m. 2012; div. 2013)​
Pasha Kovalev ​(m. 2019)​
Children
2
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 Gadget Show on Channel 5 (2013–14) and It's Not Rocket Science on ITV (2016). She was also a contestant on the BBC celebrity dance show Strictly Come Dancing in 2013.