Sirius Minerals Plc announced that Louise Hardy appointed to the board as an independent non-executive director and Stephen Pycroft steps down as a non-executive director. Louise Jane Hardy has over 25 years' experience in the engineering sector.  Louise currently has a part time executive role at Skanska, Civil Engineering UK and holds non-executive director roles at Ebbsfleet Development Corporation and Defence Infrastructure Organisation, both executive non-departmental public bodies sponsored by the Department for Communities and Local Government and the Ministry of Defence respectively.  Prior to this she was European Project Excellence Director at Aecom.  Previously she worked for Laing O'Rourke, working as Infrastructure Director within CLM, which was the consortium delivery partner for the Olympic Delivery Authority for the London 2012 Olympics.  Louise is a Fellow of the Institution of Civil Engineers and a Fellow of the Chartered Management Institute.