 Following the loss of his place in the National Assembly for Wales due to Conservative success elsewhere in the region, Davies challenged Lembit Öpik, the Liberal Democrat MP for Montgomeryshire, at the 2010 UK General Election, having unsuccessfully challenged Öpik at the 1997 General Election in the same seat.He beat Öpik to become the Member of Parliament for Montgomeryshire.In September 2010 it was announced that Glyn was appointed Parliamentary Private Secretary (PPS) to Cheryl Gillan as Secretary of State for Wales, a role he lost in the 2012 Cabinet reshuffle.