Mr Hemmings works as the head of closed-ended funds at Aberdeen Asset Management, a corporate member of the Institute of Financial Planning.
Other appointments saw Andrew Bell appointed as chairman of the board and Jeremy Tigue, manager of the F&C investment trust, retiring following nine years of service. Peter Arthur and David Thorp have become deputy chairmen alongside Gill Nott and Chris Russell while Melville Trimble and Sarah Bates have been re-elected.
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Mr Hemmings said: "I am pleased to join the AIC board at a time of significant change for closed-end funds. There are undoubtedly significant opportunities ahead as we broaden the shareholder base of the sector but, at the same time, investment companies face considerable regulatory challenges. I hope my experience with contribute to the AIC's efforts during the exciting period."
Mr Bell said: "We are delighted to welcome William to the board. With over 20 years experience in the closed-end sector, as well as his previous involvement in AIC activities, his knowledge will prove hugely useful."
The AIC represents the interests of the investment trust industry, a broad range of closed-end investment companies incorporating investment trusts and VCTs.

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