In this role he advocated David Cameron 's EU reform program and the UK 's EU membership prior to the referendum on the UK 's continuing membership of the EU .
Persson was recruited in 2015 as special adviser to UK Prime Minister David Cameron .
In this role Persson advocated Prime Minister   's EU reform program and the UK 's EU membership prior to the referendum on the UK 's continuing membership of the EU .
Persson was recruited in 2015 as special adviser to UK Prime Minister David Cameron .