- Greg Burke, 53, is a senior media advisor to the Vatican
- Used to work for Fox News and was hired by the Vatican in June 2012
- Born in Missouri he is a member of the controversial Opus Dei
- Pope joined Twitter a few months after he took up new role
Trying on a firefighter's helmet, allowing a young boy to hug his leg during a mass and phoning up his followers for a chat are just a few of the ways Pope Francis has attracted headlines in the last few months.
And after years of negative press, the Catholic Church is basking in the 'Francis Effect' which has been credited with a 20 per cent rise in congregations in Britain, and similar boosts around the world.
But who is the PR guru working quietly behind the scenes to help push Pope Francis forward and leading the Church out of one of its darkest spells following a slew of recent scandals?
His name is Greg Burke and he is a senior media advisor to the Vatican.