Rachel Riley "The Gadget Show," although her profile was significantly boosted by her appearance as a contestant on "Strictly Come Dancing", which largely "catapulted [Riley] onto the A-list" and opened up the doors for new television roles, according to another commentator. In 2014, two years before her role on "It's Not Rocket Science", she said, "I'd love to present a popular science programme because it's something I feel very passionate about." On "Countdown", Riley replaced the long-serving Carol Vorderman. Like Vorderman, Riley's role is to handle the placement of tiles on the board for the letters and numbers rounds and to find
Rachel Riley behaviour of city traders wearing, and not being a "morning person" she also disliked the early morning train commute. Her maths degree helped her get a job performing statistical analysis for a price comparison start-up company. Riley also took a postgraduate degree, a master's degree, being attracted by the intersection of mathematics and civil engineering. Riley's television debut came in January 2009, when at the age of 22 she joined the Channel 4 letters and numbers game show "Countdown." Prior to this"," Riley had received no training for working in television and had no other experience with the media industry,