Criticism of the Work Capability Assessment group of experts — a professor of psychiatry, a consultant psychiatrist in learning disability, a professor of rheumatology, and an expert in human resources — reviewed the WCA in 2013 and concluded that "the WCA produced consistent results on the whole, and is an accurate indicator of work capability compared with expert opinion". But in the year that the study was published, the firms running back-to-work training for people on ESA said they had "ongoing concerns about the accuracy of the WCA". And in 2014, Atos announced that it had come to the conclusion that "the WCA is not working
Incapacity Benefit following year Tony Blair appointed David Freud, a former vice-chairman of investment banking at UBS, as an advisor on out-of-work benefit reform. Freud's 2007 report called for the greater use of private sector companies who would be paid by results, and for substantial resources to be made available to help people on Incapacity Benefit back into work. In 2008 a Green Paper was published, which James Purnell said was "inspired by the reforms proposed by David Freud". It declared that "between 2009 and 2013, all Incapacity Benefit claimants will be reassessed using a medical assessment called the Work Capability Assessment