Johnston Press has appointed Nick Mills as managing director at Yorkshire Weekly Newspapers Group. Mills will oversee 18 titles, including the Wakefield Express, Morley Advertiser and Pontefract & Castleford Express. Mills was previously MD at Wilfred Edmunds. His replacement is Mark Rodgers, who was assistant managing director at Sheffield Newspapers. Rodgers will have responsibility for newspapers including the Derbyshire Times and the Matlock Mercury.