Sian Welby (born 3 September 1986) is an award-winning English television presenter and radio host, best known for her work with Channel 5, BBC, ITV and Channel 4. Welby hosts her own national radio show on Heart every Monday to Thursday from 7-10 pm.
Welby is from Upton, a small village in Nottinghamshire, England. She attended Minster School, Southwell. She began presenting at 19, and she was still working part-time as a shop assistant for New Look when a starring role in an advert for New! Magazine, led to her being spotted by former Channel 5 owner Richard Desmond in October 2010. She was unveiled as the new face of Channel 5 News in November 2010. In an interview with This Is Money she reflected on trying to crack the TV industry whilst growing up in the East Midlands. "Sometimes I felt like I was leading a double life. I would go off and audition for a cool presenting job, then the next day I would be back at New Look. It was hard." She has described how she would work as a retail assistant by day, and record online videos in the fitting room after the shop had closed.