(ShareCast News) - Interserve non-executive director Anne Fahy is set to join the board of international specialist staffing business SThree.FTSE 250-listed Interserve, where Fahy is currently serving after being appointed in January 2013, said she will take on her new role from 1 October.Fahy will chair SThree's audit committee and will become a member of the nomination committee.As of 0855 BST, Inteserve shares were down 0.99% to 573.26p, while SThree shares were down 0.03% to 359.90p.