UK - James Purnell, secretary of state for Work and Pensions, is planning to commission formal research to assess the impact of more member nominated trustees (MNTs).
He added "However, given the ever greater demands on trustees we need to ensure that they have the greater understanding, expertise and technical competence necessary to fulfill their role.
"We will continue to move towards delivering on the commitment, but need to do so in way that is safe," Purnell said.
Brendan Barber, general secretary, TUC, said: "It goes without saying that the TUC welcomes the government's stated aim to move towards having 50% of trustee boards made up of MNTs.
"But there is a nagging sense that not enough progress has been made in delivering this aspiration."
He added that this year the TUC had commissioned IQ Research to examine attitudes towards the 50% goal and to analyse the extent to which the existing one third requirement is being achieved.
Barber said the results would soon be published, but added: "What I can say now is there is very clearly a high level of support from pension schemes for MNTs and as a result of this a lack of credibility in the traditional industry view that it is difficult to get members to come forward as trustees."
Another report published last Friday by the TUC showed a hard core of investment managers still refused to reveal how they voted at company AGMs.
Barber commented: "They should remember that this is not their own money, but that of ordinary pension scheme members and other savers."
"The voluntary approach has achieved some progress, but not enough. Unless the laggards get on board fast, the government will need to use its reserve power and make disclosure compulsory," he added.
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Former BHS owner Dominic Chappell has lost the appeal against his section 72 conviction and sentence for failing to hand over information to The Pensions Regulator (TPR).
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Lesley Titcomb says the watchdog wants closer interactions with pension funds to spot problems sooner and act before having to use its more stringent powers