Andrew Kaye is one of the authors of 'The Tipping Point' report into how proposed welfare reforms could affect disabled people.
He says he acknowledges that changes must be made to help the economy, but believes those changes should not be aimed at 'those hardest hit'.
The UK Government says the reforms will mean money is better spent on supporting disabled people.
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Wintry showers to continue through the weekend and warnings of gales
Exclusive figures given to ITV Cymru Wales show a steep rise in the number of people seeking advice for steroid use.
Cold, breezy and generally cloudy at first with further wintry outbreaks on the hills